127593700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1697

約数の個数: 72

約数和(自身を含む): 303253160

約数和(自身を除く): 175659460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1220, 1300, 1525, 1586, 1609, 3050, 3172, 3218, 3965, 6100, 6436, 7930, 8045, 15860, 16090, 19825, 20917, 32180, 39650, 40225, 41834, 79300, 80450, 83668, 98149, 104585, 160900, 196298, 209170, 392596, 418340, 490745, 522925, 981490, 1045850, 1275937, 1962980, 2091700, 2453725, 2551874, 4907450, 5103748, 6379685, 9814900, 12759370, 25518740, 31898425, 63796850, 127593700]

約数ペア:

[(1, 127593700), (2, 63796850), (4, 31898425), (5, 25518740), (10, 12759370), (13, 9814900), (20, 6379685), (25, 5103748), (26, 4907450), (50, 2551874), (52, 2453725), (61, 2091700), (65, 1962980), (100, 1275937), (122, 1045850), (130, 981490), (244, 522925), (260, 490745), (305, 418340), (325, 392596), (610, 209170), (650, 196298), (793, 160900), (1220, 104585), (1300, 98149), (1525, 83668), (1586, 80450), (1609, 79300), (3050, 41834), (3172, 40225), (3218, 39650), (3965, 32180), (6100, 20917), (6436, 19825), (7930, 16090), (8045, 15860)]