538965500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 1228421376

約数和(自身を除く): 689455876

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 122, 125, 164, 205, 244, 250, 305, 410, 431, 500, 610, 820, 862, 1025, 1220, 1525, 1724, 2050, 2155, 2501, 3050, 4100, 4310, 5002, 5125, 6100, 7625, 8620, 10004, 10250, 10775, 12505, 15250, 17671, 20500, 21550, 25010, 26291, 30500, 35342, 43100, 50020, 52582, 53875, 62525, 70684, 88355, 105164, 107750, 125050, 131455, 176710, 215500, 250100, 262910, 312625, 353420, 441775, 525820, 625250, 657275, 883550, 1077931, 1250500, 1314550, 1767100, 2155862, 2208875, 2629100, 3286375, 4311724, 4417750, 5389655, 6572750, 8835500, 10779310, 13145500, 21558620, 26948275, 53896550, 107793100, 134741375, 269482750, 538965500]

約数ペア:

[(1, 538965500), (2, 269482750), (4, 134741375), (5, 107793100), (10, 53896550), (20, 26948275), (25, 21558620), (41, 13145500), (50, 10779310), (61, 8835500), (82, 6572750), (100, 5389655), (122, 4417750), (125, 4311724), (164, 3286375), (205, 2629100), (244, 2208875), (250, 2155862), (305, 1767100), (410, 1314550), (431, 1250500), (500, 1077931), (610, 883550), (820, 657275), (862, 625250), (1025, 525820), (1220, 441775), (1525, 353420), (1724, 312625), (2050, 262910), (2155, 250100), (2501, 215500), (3050, 176710), (4100, 131455), (4310, 125050), (5002, 107750), (5125, 105164), (6100, 88355), (7625, 70684), (8620, 62525), (10004, 53875), (10250, 52582), (10775, 50020), (12505, 43100), (15250, 35342), (17671, 30500), (20500, 26291), (21550, 25010)]