54819940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 142490880

約数和(自身を除く): 87670940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 370, 380, 518, 532, 557, 665, 703, 740, 1036, 1114, 1295, 1330, 1406, 2228, 2590, 2660, 2785, 2812, 3515, 3899, 4921, 5180, 5570, 7030, 7798, 9842, 10583, 11140, 14060, 15596, 19495, 19684, 20609, 21166, 24605, 38990, 41218, 42332, 49210, 52915, 74081, 77980, 82436, 98420, 103045, 105830, 144263, 148162, 206090, 211660, 288526, 296324, 370405, 391571, 412180, 577052, 721315, 740810, 783142, 1442630, 1481620, 1566284, 1957855, 2740997, 2885260, 3915710, 5481994, 7831420, 10963988, 13704985, 27409970, 54819940]

約数ペア:

[(1, 54819940), (2, 27409970), (4, 13704985), (5, 10963988), (7, 7831420), (10, 5481994), (14, 3915710), (19, 2885260), (20, 2740997), (28, 1957855), (35, 1566284), (37, 1481620), (38, 1442630), (70, 783142), (74, 740810), (76, 721315), (95, 577052), (133, 412180), (140, 391571), (148, 370405), (185, 296324), (190, 288526), (259, 211660), (266, 206090), (370, 148162), (380, 144263), (518, 105830), (532, 103045), (557, 98420), (665, 82436), (703, 77980), (740, 74081), (1036, 52915), (1114, 49210), (1295, 42332), (1330, 41218), (1406, 38990), (2228, 24605), (2590, 21166), (2660, 20609), (2785, 19684), (2812, 19495), (3515, 15596), (3899, 14060), (4921, 11140), (5180, 10583), (5570, 9842), (7030, 7798)]