746670275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 1077128976

約数和(自身を除く): 330458701

約数列:

[1, 5, 13, 23, 25, 43, 65, 101, 115, 215, 299, 325, 505, 529, 559, 575, 989, 1075, 1313, 1495, 2323, 2525, 2645, 2795, 4343, 4945, 6565, 6877, 7475, 11615, 12857, 13225, 13975, 21715, 22747, 24725, 30199, 32825, 34385, 53429, 56459, 58075, 64285, 99889, 108575, 113735, 150995, 171925, 267145, 282295, 295711, 321425, 499445, 568675, 694577, 754975, 1298557, 1335725, 1411475, 1478555, 2297447, 2497225, 3472885, 6492785, 7392775, 11487235, 17364425, 29866811, 32463925, 57436175, 149334055, 746670275]

約数ペア:

[(1, 746670275), (5, 149334055), (13, 57436175), (23, 32463925), (25, 29866811), (43, 17364425), (65, 11487235), (101, 7392775), (115, 6492785), (215, 3472885), (299, 2497225), (325, 2297447), (505, 1478555), (529, 1411475), (559, 1335725), (575, 1298557), (989, 754975), (1075, 694577), (1313, 568675), (1495, 499445), (2323, 321425), (2525, 295711), (2645, 282295), (2795, 267145), (4343, 171925), (4945, 150995), (6565, 113735), (6877, 108575), (7475, 99889), (11615, 64285), (12857, 58075), (13225, 56459), (13975, 53429), (21715, 34385), (22747, 32825), (24725, 30199)]