211301960

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{17207}}^1$

素因数の和:17525

約数の個数: 32

約数和(自身を含む): 477005760

約数和(自身を除く): 265703800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 17207, 34414, 68828, 86035, 137656, 172070, 344140, 688280, 5282549, 10565098, 21130196, 26412745, 42260392, 52825490, 105650980, 211301960]

約数ペア:

[(1, 211301960), (2, 105650980), (4, 52825490), (5, 42260392), (8, 26412745), (10, 21130196), (20, 10565098), (40, 5282549), (307, 688280), (614, 344140), (1228, 172070), (1535, 137656), (2456, 86035), (3070, 68828), (6140, 34414), (12280, 17207)]