250875625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 421964928

約数和(自身を除く): 171089303

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 125, 143, 175, 275, 325, 385, 401, 455, 625, 715, 875, 1001, 1375, 1625, 1925, 2005, 2275, 2807, 3575, 4375, 4411, 5005, 5213, 6875, 8125, 9625, 10025, 11375, 14035, 17875, 22055, 25025, 26065, 30877, 36491, 48125, 50125, 56875, 57343, 70175, 89375, 110275, 125125, 130325, 154385, 182455, 250625, 286715, 350875, 401401, 551375, 625625, 651625, 771925, 912275, 1433575, 1754375, 2007005, 2756875, 3258125, 3859625, 4561375, 7167875, 10035025, 19298125, 22806875, 35839375, 50175125, 250875625]

約数ペア:

[(1, 250875625), (5, 50175125), (7, 35839375), (11, 22806875), (13, 19298125), (25, 10035025), (35, 7167875), (55, 4561375), (65, 3859625), (77, 3258125), (91, 2756875), (125, 2007005), (143, 1754375), (175, 1433575), (275, 912275), (325, 771925), (385, 651625), (401, 625625), (455, 551375), (625, 401401), (715, 350875), (875, 286715), (1001, 250625), (1375, 182455), (1625, 154385), (1925, 130325), (2005, 125125), (2275, 110275), (2807, 89375), (3575, 70175), (4375, 57343), (4411, 56875), (5005, 50125), (5213, 48125), (6875, 36491), (8125, 30877), (9625, 26065), (10025, 25025), (11375, 22055), (14035, 17875)]