206864875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 324679680

約数和(自身を除く): 117814805

約数列:

[1, 5, 7, 19, 23, 25, 35, 95, 115, 125, 133, 161, 175, 437, 475, 541, 575, 665, 805, 875, 2185, 2375, 2705, 2875, 3059, 3325, 3787, 4025, 10279, 10925, 12443, 13525, 15295, 16625, 18935, 20125, 51395, 54625, 62215, 67625, 71953, 76475, 87101, 94675, 236417, 256975, 311075, 359765, 382375, 435505, 473375, 1182085, 1284875, 1555375, 1654919, 1798825, 2177525, 5910425, 8274595, 8994125, 10887625, 29552125, 41372975, 206864875]

約数ペア:

[(1, 206864875), (5, 41372975), (7, 29552125), (19, 10887625), (23, 8994125), (25, 8274595), (35, 5910425), (95, 2177525), (115, 1798825), (125, 1654919), (133, 1555375), (161, 1284875), (175, 1182085), (437, 473375), (475, 435505), (541, 382375), (575, 359765), (665, 311075), (805, 256975), (875, 236417), (2185, 94675), (2375, 87101), (2705, 76475), (2875, 71953), (3059, 67625), (3325, 62215), (3787, 54625), (4025, 51395), (10279, 20125), (10925, 18935), (12443, 16625), (13525, 15295)]