490899888

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 1533089376

約数和(自身を除く): 1042189488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 67, 68, 72, 73, 82, 102, 123, 134, 136, 144, 146, 153, 164, 201, 204, 219, 246, 268, 272, 292, 306, 328, 369, 402, 408, 438, 492, 536, 584, 603, 612, 656, 657, 697, 738, 804, 816, 876, 984, 1072, 1139, 1168, 1206, 1224, 1241, 1314, 1394, 1476, 1608, 1752, 1968, 2091, 2278, 2412, 2448, 2482, 2628, 2747, 2788, 2952, 2993, 3216, 3417, 3504, 3723, 4182, 4556, 4824, 4891, 4964, 5256, 5494, 5576, 5904, 5986, 6273, 6834, 7446, 8241, 8364, 8979, 9112, 9648, 9782, 9928, 10251, 10512, 10988, 11152, 11169, 11972, 12546, 13668, 14673, 14892, 16482, 16728, 17958, 18224, 19564, 19856, 20502, 21976, 22338, 23944, 24723, 25092, 26937, 27336, 29346, 29784, 32964, 33456, 35916, 39128, 41004, 43952, 44019, 44676, 46699, 47888, 49446, 50184, 50881, 53874, 54672, 58692, 59568, 65928, 71832, 78256, 82008, 83147, 88038, 89352, 93398, 98892, 100368, 101762, 107748, 117384, 131856, 140097, 143664, 152643, 164016, 166294, 176076, 178704, 186796, 197784, 200531, 203524, 215496, 234768, 249441, 280194, 305286, 332588, 352152, 373592, 395568, 401062, 407048, 420291, 430992, 457929, 498882, 560388, 601593, 610572, 665176, 704304, 747184, 748323, 802124, 814096, 840582, 915858, 997764, 1120776, 1203186, 1221144, 1330352, 1496646, 1604248, 1681164, 1804779, 1831716, 1995528, 2241552, 2406372, 2442288, 2993292, 3208496, 3362328, 3409027, 3609558, 3663432, 3991056, 4812744, 5986584, 6724656, 6818054, 7219116, 7326864, 9625488, 10227081, 11973168, 13636108, 14438232, 20454162, 27272216, 28876464, 30681243, 40908324, 54544432, 61362486, 81816648, 122724972, 163633296, 245449944, 490899888]

約数ペア:

[(1, 490899888), (2, 245449944), (3, 163633296), (4, 122724972), (6, 81816648), (8, 61362486), (9, 54544432), (12, 40908324), (16, 30681243), (17, 28876464), (18, 27272216), (24, 20454162), (34, 14438232), (36, 13636108), (41, 11973168), (48, 10227081), (51, 9625488), (67, 7326864), (68, 7219116), (72, 6818054), (73, 6724656), (82, 5986584), (102, 4812744), (123, 3991056), (134, 3663432), (136, 3609558), (144, 3409027), (146, 3362328), (153, 3208496), (164, 2993292), (201, 2442288), (204, 2406372), (219, 2241552), (246, 1995528), (268, 1831716), (272, 1804779), (292, 1681164), (306, 1604248), (328, 1496646), (369, 1330352), (402, 1221144), (408, 1203186), (438, 1120776), (492, 997764), (536, 915858), (584, 840582), (603, 814096), (612, 802124), (656, 748323), (657, 747184), (697, 704304), (738, 665176), (804, 610572), (816, 601593), (876, 560388), (984, 498882), (1072, 457929), (1139, 430992), (1168, 420291), (1206, 407048), (1224, 401062), (1241, 395568), (1314, 373592), (1394, 352152), (1476, 332588), (1608, 305286), (1752, 280194), (1968, 249441), (2091, 234768), (2278, 215496), (2412, 203524), (2448, 200531), (2482, 197784), (2628, 186796), (2747, 178704), (2788, 176076), (2952, 166294), (2993, 164016), (3216, 152643), (3417, 143664), (3504, 140097), (3723, 131856), (4182, 117384), (4556, 107748), (4824, 101762), (4891, 100368), (4964, 98892), (5256, 93398), (5494, 89352), (5576, 88038), (5904, 83147), (5986, 82008), (6273, 78256), (6834, 71832), (7446, 65928), (8241, 59568), (8364, 58692), (8979, 54672), (9112, 53874), (9648, 50881), (9782, 50184), (9928, 49446), (10251, 47888), (10512, 46699), (10988, 44676), (11152, 44019), (11169, 43952), (11972, 41004), (12546, 39128), (13668, 35916), (14673, 33456), (14892, 32964), (16482, 29784), (16728, 29346), (17958, 27336), (18224, 26937), (19564, 25092), (19856, 24723), (20502, 23944), (21976, 22338)]