420976250

素因数分解:

$2^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{5521}}^1$

素因数の和:5604

約数の個数: 40

約数和(自身を含む): 802158852

約数和(自身を除く): 381182602

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 625, 1250, 1525, 3050, 5521, 7625, 11042, 15250, 27605, 38125, 55210, 76250, 138025, 276050, 336781, 673562, 690125, 1380250, 1683905, 3367810, 3450625, 6901250, 8419525, 16839050, 42097625, 84195250, 210488125, 420976250]

約数ペア:

[(1, 420976250), (2, 210488125), (5, 84195250), (10, 42097625), (25, 16839050), (50, 8419525), (61, 6901250), (122, 3450625), (125, 3367810), (250, 1683905), (305, 1380250), (610, 690125), (625, 673562), (1250, 336781), (1525, 276050), (3050, 138025), (5521, 76250), (7625, 55210), (11042, 38125), (15250, 27605)]