30691375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 48117888

約数和(自身を除く): 17426513

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 101, 125, 143, 187, 221, 275, 325, 425, 505, 715, 935, 1105, 1111, 1313, 1375, 1625, 1717, 2125, 2431, 2525, 3575, 4675, 5525, 5555, 6565, 8585, 12155, 12625, 14443, 17875, 18887, 22321, 23375, 27625, 27775, 32825, 42925, 60775, 72215, 94435, 111605, 138875, 164125, 214625, 245531, 303875, 361075, 472175, 558025, 1227655, 1805375, 2360875, 2790125, 6138275, 30691375]

約数ペア:

[(1, 30691375), (5, 6138275), (11, 2790125), (13, 2360875), (17, 1805375), (25, 1227655), (55, 558025), (65, 472175), (85, 361075), (101, 303875), (125, 245531), (143, 214625), (187, 164125), (221, 138875), (275, 111605), (325, 94435), (425, 72215), (505, 60775), (715, 42925), (935, 32825), (1105, 27775), (1111, 27625), (1313, 23375), (1375, 22321), (1625, 18887), (1717, 17875), (2125, 14443), (2431, 12625), (2525, 12155), (3575, 8585), (4675, 6565), (5525, 5555)]