497800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 1227600

約数和(自身を除く): 729800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 131, 152, 190, 200, 262, 380, 475, 524, 655, 760, 950, 1048, 1310, 1900, 2489, 2620, 3275, 3800, 4978, 5240, 6550, 9956, 12445, 13100, 19912, 24890, 26200, 49780, 62225, 99560, 124450, 248900, 497800]

約数ペア:

[(1, 497800), (2, 248900), (4, 124450), (5, 99560), (8, 62225), (10, 49780), (19, 26200), (20, 24890), (25, 19912), (38, 13100), (40, 12445), (50, 9956), (76, 6550), (95, 5240), (100, 4978), (131, 3800), (152, 3275), (190, 2620), (200, 2489), (262, 1900), (380, 1310), (475, 1048), (524, 950), (655, 760)]