278319790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{209263}}^1$

素因数の和:209296

約数の個数: 32

約数和(自身を含む): 602680320

約数和(自身を除く): 324360530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 209263, 418526, 1046315, 1464841, 2092630, 2929682, 3975997, 7324205, 7951994, 14648410, 19879985, 27831979, 39759970, 55663958, 139159895, 278319790]

約数ペア:

[(1, 278319790), (2, 139159895), (5, 55663958), (7, 39759970), (10, 27831979), (14, 19879985), (19, 14648410), (35, 7951994), (38, 7324205), (70, 3975997), (95, 2929682), (133, 2092630), (190, 1464841), (266, 1046315), (665, 418526), (1330, 209263)]