210003125

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 286856640

約数和(自身を除く): 76853515

約数列:

[1, 5, 17, 25, 59, 67, 85, 125, 295, 335, 425, 625, 1003, 1139, 1475, 1675, 2125, 3125, 3953, 5015, 5695, 7375, 8375, 10625, 19765, 25075, 28475, 36875, 41875, 53125, 67201, 98825, 125375, 142375, 184375, 209375, 336005, 494125, 626875, 711875, 1680025, 2470625, 3134375, 3559375, 8400125, 12353125, 42000625, 210003125]

約数ペア:

[(1, 210003125), (5, 42000625), (17, 12353125), (25, 8400125), (59, 3559375), (67, 3134375), (85, 2470625), (125, 1680025), (295, 711875), (335, 626875), (425, 494125), (625, 336005), (1003, 209375), (1139, 184375), (1475, 142375), (1675, 125375), (2125, 98825), (3125, 67201), (3953, 53125), (5015, 41875), (5695, 36875), (7375, 28475), (8375, 25075), (10625, 19765)]