397588775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 560455200

約数和(自身を除く): 162866425

約数列:

[1, 5, 17, 19, 25, 53, 85, 95, 265, 323, 425, 475, 901, 929, 1007, 1325, 1615, 4505, 4645, 5035, 8075, 15793, 17119, 17651, 22525, 23225, 25175, 49237, 78965, 85595, 88255, 246185, 300067, 394825, 427975, 441275, 837029, 935503, 1230925, 1500335, 4185145, 4677515, 7501675, 15903551, 20925725, 23387575, 79517755, 397588775]

約数ペア:

[(1, 397588775), (5, 79517755), (17, 23387575), (19, 20925725), (25, 15903551), (53, 7501675), (85, 4677515), (95, 4185145), (265, 1500335), (323, 1230925), (425, 935503), (475, 837029), (901, 441275), (929, 427975), (1007, 394825), (1325, 300067), (1615, 246185), (4505, 88255), (4645, 85595), (5035, 78965), (8075, 49237), (15793, 25175), (17119, 23225), (17651, 22525)]