400162725

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 748380672

約数和(自身を除く): 348217947

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 103, 155, 225, 279, 309, 465, 515, 557, 775, 927, 1395, 1545, 1671, 2325, 2575, 2785, 3193, 4635, 5013, 6975, 7725, 8355, 9579, 13925, 15965, 17267, 23175, 25065, 28737, 41775, 47895, 51801, 57371, 79825, 86335, 125325, 143685, 155403, 172113, 239475, 259005, 286855, 431675, 516339, 718425, 777015, 860565, 1295025, 1434275, 1778501, 2581695, 3885075, 4302825, 5335503, 8892505, 12908475, 16006509, 26677515, 44462525, 80032545, 133387575, 400162725]

約数ペア:

[(1, 400162725), (3, 133387575), (5, 80032545), (9, 44462525), (15, 26677515), (25, 16006509), (31, 12908475), (45, 8892505), (75, 5335503), (93, 4302825), (103, 3885075), (155, 2581695), (225, 1778501), (279, 1434275), (309, 1295025), (465, 860565), (515, 777015), (557, 718425), (775, 516339), (927, 431675), (1395, 286855), (1545, 259005), (1671, 239475), (2325, 172113), (2575, 155403), (2785, 143685), (3193, 125325), (4635, 86335), (5013, 79825), (6975, 57371), (7725, 51801), (8355, 47895), (9579, 41775), (13925, 28737), (15965, 25065), (17267, 23175)]