1397264440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 3800714400

約数和(自身を除く): 2403449960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 88, 104, 106, 110, 121, 130, 143, 212, 220, 242, 260, 265, 286, 419, 424, 440, 484, 520, 530, 572, 583, 605, 689, 715, 838, 968, 1060, 1144, 1166, 1210, 1378, 1430, 1573, 1676, 2095, 2120, 2332, 2420, 2756, 2860, 2915, 3146, 3352, 3445, 4190, 4609, 4664, 4840, 5447, 5512, 5720, 5830, 6292, 6413, 6890, 7579, 7865, 8380, 9218, 10894, 11660, 12584, 12826, 13780, 15158, 15730, 16760, 18436, 21788, 22207, 23045, 23320, 25652, 27235, 27560, 30316, 31460, 32065, 36872, 37895, 43576, 44414, 46090, 50699, 51304, 54470, 59917, 60632, 62920, 64130, 75790, 83369, 88828, 92180, 101398, 108940, 111035, 119834, 128260, 151580, 166738, 177656, 184360, 202796, 217880, 222070, 239668, 244277, 253495, 256520, 288691, 299585, 303160, 333476, 405592, 416845, 444140, 479336, 488554, 506990, 577382, 599170, 659087, 666952, 833690, 888280, 977108, 1013980, 1154764, 1198340, 1221385, 1318174, 1443455, 1667380, 1954216, 2027960, 2309528, 2396680, 2442770, 2636348, 2687047, 2886910, 3175601, 3295435, 3334760, 4885540, 5272696, 5374094, 5773820, 6351202, 6590870, 9771080, 10748188, 11547640, 12702404, 13181740, 13435235, 15878005, 21496376, 25404808, 26363480, 26870470, 31756010, 34931611, 53740940, 63512020, 69863222, 107481880, 127024040, 139726444, 174658055, 279452888, 349316110, 698632220, 1397264440]

約数ペア:

[(1, 1397264440), (2, 698632220), (4, 349316110), (5, 279452888), (8, 174658055), (10, 139726444), (11, 127024040), (13, 107481880), (20, 69863222), (22, 63512020), (26, 53740940), (40, 34931611), (44, 31756010), (52, 26870470), (53, 26363480), (55, 25404808), (65, 21496376), (88, 15878005), (104, 13435235), (106, 13181740), (110, 12702404), (121, 11547640), (130, 10748188), (143, 9771080), (212, 6590870), (220, 6351202), (242, 5773820), (260, 5374094), (265, 5272696), (286, 4885540), (419, 3334760), (424, 3295435), (440, 3175601), (484, 2886910), (520, 2687047), (530, 2636348), (572, 2442770), (583, 2396680), (605, 2309528), (689, 2027960), (715, 1954216), (838, 1667380), (968, 1443455), (1060, 1318174), (1144, 1221385), (1166, 1198340), (1210, 1154764), (1378, 1013980), (1430, 977108), (1573, 888280), (1676, 833690), (2095, 666952), (2120, 659087), (2332, 599170), (2420, 577382), (2756, 506990), (2860, 488554), (2915, 479336), (3146, 444140), (3352, 416845), (3445, 405592), (4190, 333476), (4609, 303160), (4664, 299585), (4840, 288691), (5447, 256520), (5512, 253495), (5720, 244277), (5830, 239668), (6292, 222070), (6413, 217880), (6890, 202796), (7579, 184360), (7865, 177656), (8380, 166738), (9218, 151580), (10894, 128260), (11660, 119834), (12584, 111035), (12826, 108940), (13780, 101398), (15158, 92180), (15730, 88828), (16760, 83369), (18436, 75790), (21788, 64130), (22207, 62920), (23045, 60632), (23320, 59917), (25652, 54470), (27235, 51304), (27560, 50699), (30316, 46090), (31460, 44414), (32065, 43576), (36872, 37895)]