254379580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 686943936

約数和(自身を除く): 432564356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 140, 164, 182, 196, 205, 245, 260, 287, 364, 410, 455, 487, 490, 533, 574, 637, 820, 910, 974, 980, 1066, 1148, 1274, 1435, 1820, 1948, 2009, 2132, 2435, 2548, 2665, 2870, 3185, 3409, 3731, 4018, 4870, 5330, 5740, 6331, 6370, 6818, 7462, 8036, 9740, 10045, 10660, 12662, 12740, 13636, 14924, 17045, 18655, 19967, 20090, 23863, 25324, 26117, 31655, 34090, 37310, 39934, 40180, 44317, 47726, 52234, 63310, 68180, 74620, 79868, 88634, 95452, 99835, 104468, 119315, 126620, 130585, 139769, 177268, 199670, 221585, 238630, 259571, 261170, 279538, 310219, 399340, 443170, 477260, 519142, 522340, 559076, 620438, 698845, 886340, 978383, 1038284, 1240876, 1297855, 1397690, 1551095, 1816997, 1956766, 2595710, 2795380, 3102190, 3633994, 3913532, 4891915, 5191420, 6204380, 7267988, 9084985, 9783830, 12718979, 18169970, 19567660, 25437958, 36339940, 50875916, 63594895, 127189790, 254379580]

約数ペア:

[(1, 254379580), (2, 127189790), (4, 63594895), (5, 50875916), (7, 36339940), (10, 25437958), (13, 19567660), (14, 18169970), (20, 12718979), (26, 9783830), (28, 9084985), (35, 7267988), (41, 6204380), (49, 5191420), (52, 4891915), (65, 3913532), (70, 3633994), (82, 3102190), (91, 2795380), (98, 2595710), (130, 1956766), (140, 1816997), (164, 1551095), (182, 1397690), (196, 1297855), (205, 1240876), (245, 1038284), (260, 978383), (287, 886340), (364, 698845), (410, 620438), (455, 559076), (487, 522340), (490, 519142), (533, 477260), (574, 443170), (637, 399340), (820, 310219), (910, 279538), (974, 261170), (980, 259571), (1066, 238630), (1148, 221585), (1274, 199670), (1435, 177268), (1820, 139769), (1948, 130585), (2009, 126620), (2132, 119315), (2435, 104468), (2548, 99835), (2665, 95452), (2870, 88634), (3185, 79868), (3409, 74620), (3731, 68180), (4018, 63310), (4870, 52234), (5330, 47726), (5740, 44317), (6331, 40180), (6370, 39934), (6818, 37310), (7462, 34090), (8036, 31655), (9740, 26117), (10045, 25324), (10660, 23863), (12662, 20090), (12740, 19967), (13636, 18655), (14924, 17045)]