205648625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 320785920

約数和(自身を除く): 115137295

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 101, 125, 175, 179, 325, 455, 505, 707, 875, 895, 1253, 1313, 1625, 2275, 2327, 2525, 3535, 4475, 6265, 6565, 9191, 11375, 11635, 12625, 16289, 17675, 18079, 22375, 31325, 32825, 45955, 58175, 81445, 88375, 90395, 126553, 156625, 164125, 229775, 235027, 290875, 407225, 451975, 632765, 1148875, 1175135, 1645189, 2036125, 2259875, 3163825, 5875675, 8225945, 15819125, 29378375, 41129725, 205648625]

約数ペア:

[(1, 205648625), (5, 41129725), (7, 29378375), (13, 15819125), (25, 8225945), (35, 5875675), (65, 3163825), (91, 2259875), (101, 2036125), (125, 1645189), (175, 1175135), (179, 1148875), (325, 632765), (455, 451975), (505, 407225), (707, 290875), (875, 235027), (895, 229775), (1253, 164125), (1313, 156625), (1625, 126553), (2275, 90395), (2327, 88375), (2525, 81445), (3535, 58175), (4475, 45955), (6265, 32825), (6565, 31325), (9191, 22375), (11375, 18079), (11635, 17675), (12625, 16289)]