79722500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 205734144

約数和(自身を除く): 126011644

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 223, 250, 260, 275, 286, 325, 446, 500, 550, 572, 625, 650, 715, 892, 1100, 1115, 1250, 1300, 1375, 1430, 1625, 2230, 2453, 2500, 2750, 2860, 2899, 3250, 3575, 4460, 4906, 5500, 5575, 5798, 6500, 6875, 7150, 8125, 9812, 11150, 11596, 12265, 13750, 14300, 14495, 16250, 17875, 22300, 24530, 27500, 27875, 28990, 31889, 32500, 35750, 49060, 55750, 57980, 61325, 63778, 71500, 72475, 89375, 111500, 122650, 127556, 139375, 144950, 159445, 178750, 245300, 278750, 289900, 306625, 318890, 357500, 362375, 557500, 613250, 637780, 724750, 797225, 1226500, 1449500, 1533125, 1594450, 1811875, 3066250, 3188900, 3623750, 3986125, 6132500, 7247500, 7972250, 15944500, 19930625, 39861250, 79722500]

約数ペア:

[(1, 79722500), (2, 39861250), (4, 19930625), (5, 15944500), (10, 7972250), (11, 7247500), (13, 6132500), (20, 3986125), (22, 3623750), (25, 3188900), (26, 3066250), (44, 1811875), (50, 1594450), (52, 1533125), (55, 1449500), (65, 1226500), (100, 797225), (110, 724750), (125, 637780), (130, 613250), (143, 557500), (220, 362375), (223, 357500), (250, 318890), (260, 306625), (275, 289900), (286, 278750), (325, 245300), (446, 178750), (500, 159445), (550, 144950), (572, 139375), (625, 127556), (650, 122650), (715, 111500), (892, 89375), (1100, 72475), (1115, 71500), (1250, 63778), (1300, 61325), (1375, 57980), (1430, 55750), (1625, 49060), (2230, 35750), (2453, 32500), (2500, 31889), (2750, 28990), (2860, 27875), (2899, 27500), (3250, 24530), (3575, 22300), (4460, 17875), (4906, 16250), (5500, 14495), (5575, 14300), (5798, 13750), (6500, 12265), (6875, 11596), (7150, 11150), (8125, 9812)]