491640408

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 256

約数和(自身を含む): 1708646400

約数和(自身を除く): 1217005992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 31, 34, 36, 42, 51, 54, 56, 62, 63, 68, 72, 84, 93, 102, 108, 119, 124, 126, 136, 153, 168, 186, 189, 204, 216, 217, 238, 248, 252, 279, 306, 357, 372, 378, 408, 434, 459, 476, 504, 527, 558, 612, 617, 651, 714, 744, 756, 837, 868, 918, 952, 1054, 1071, 1116, 1224, 1234, 1302, 1428, 1512, 1581, 1674, 1736, 1836, 1851, 1953, 2108, 2142, 2232, 2468, 2604, 2856, 3162, 3213, 3348, 3672, 3689, 3702, 3906, 4216, 4284, 4319, 4743, 4936, 5208, 5553, 5859, 6324, 6426, 6696, 7378, 7404, 7812, 8568, 8638, 9486, 10489, 11067, 11106, 11718, 12648, 12852, 12957, 14229, 14756, 14808, 15624, 16659, 17276, 18972, 19127, 20978, 22134, 22212, 23436, 25704, 25914, 28458, 29512, 31467, 33201, 33318, 34552, 37944, 38254, 38871, 41956, 44268, 44424, 46872, 51828, 56916, 57381, 62934, 66402, 66636, 73423, 76508, 77742, 83912, 88536, 94401, 99603, 103656, 113832, 114762, 116613, 125868, 132804, 133272, 133889, 146846, 153016, 155484, 172143, 188802, 199206, 220269, 229524, 233226, 251736, 265608, 267778, 283203, 293692, 310968, 325159, 344286, 377604, 398412, 401667, 440538, 459048, 466452, 516429, 535556, 566406, 587384, 650318, 660807, 688572, 755208, 796824, 803334, 881076, 932904, 975477, 1032858, 1071112, 1132812, 1205001, 1300636, 1321614, 1377144, 1606668, 1762152, 1950954, 1982421, 2065716, 2265624, 2276113, 2410002, 2601272, 2643228, 2926431, 3213336, 3615003, 3901908, 3964842, 4131432, 4552226, 4820004, 5286456, 5852862, 6828339, 7230006, 7803816, 7929684, 8779293, 9104452, 9640008, 11705724, 13656678, 14460012, 15859368, 17558586, 18208904, 20485017, 23411448, 27313356, 28920024, 35117172, 40970034, 54626712, 61455051, 70234344, 81940068, 122910102, 163880136, 245820204, 491640408]

約数ペア:

[(1, 491640408), (2, 245820204), (3, 163880136), (4, 122910102), (6, 81940068), (7, 70234344), (8, 61455051), (9, 54626712), (12, 40970034), (14, 35117172), (17, 28920024), (18, 27313356), (21, 23411448), (24, 20485017), (27, 18208904), (28, 17558586), (31, 15859368), (34, 14460012), (36, 13656678), (42, 11705724), (51, 9640008), (54, 9104452), (56, 8779293), (62, 7929684), (63, 7803816), (68, 7230006), (72, 6828339), (84, 5852862), (93, 5286456), (102, 4820004), (108, 4552226), (119, 4131432), (124, 3964842), (126, 3901908), (136, 3615003), (153, 3213336), (168, 2926431), (186, 2643228), (189, 2601272), (204, 2410002), (216, 2276113), (217, 2265624), (238, 2065716), (248, 1982421), (252, 1950954), (279, 1762152), (306, 1606668), (357, 1377144), (372, 1321614), (378, 1300636), (408, 1205001), (434, 1132812), (459, 1071112), (476, 1032858), (504, 975477), (527, 932904), (558, 881076), (612, 803334), (617, 796824), (651, 755208), (714, 688572), (744, 660807), (756, 650318), (837, 587384), (868, 566406), (918, 535556), (952, 516429), (1054, 466452), (1071, 459048), (1116, 440538), (1224, 401667), (1234, 398412), (1302, 377604), (1428, 344286), (1512, 325159), (1581, 310968), (1674, 293692), (1736, 283203), (1836, 267778), (1851, 265608), (1953, 251736), (2108, 233226), (2142, 229524), (2232, 220269), (2468, 199206), (2604, 188802), (2856, 172143), (3162, 155484), (3213, 153016), (3348, 146846), (3672, 133889), (3689, 133272), (3702, 132804), (3906, 125868), (4216, 116613), (4284, 114762), (4319, 113832), (4743, 103656), (4936, 99603), (5208, 94401), (5553, 88536), (5859, 83912), (6324, 77742), (6426, 76508), (6696, 73423), (7378, 66636), (7404, 66402), (7812, 62934), (8568, 57381), (8638, 56916), (9486, 51828), (10489, 46872), (11067, 44424), (11106, 44268), (11718, 41956), (12648, 38871), (12852, 38254), (12957, 37944), (14229, 34552), (14756, 33318), (14808, 33201), (15624, 31467), (16659, 29512), (17276, 28458), (18972, 25914), (19127, 25704), (20978, 23436), (22134, 22212)]