691040450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12329}}^1$

素因数の和:12419

約数の個数: 48

約数和(自身を含む): 1376028000

約数和(自身を除く): 684987550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 590, 950, 1121, 1475, 2242, 2950, 5605, 11210, 12329, 24658, 28025, 56050, 61645, 123290, 234251, 308225, 468502, 616450, 727411, 1171255, 1454822, 2342510, 3637055, 5856275, 7274110, 11712550, 13820809, 18185275, 27641618, 36370550, 69104045, 138208090, 345520225, 691040450]

約数ペア:

[(1, 691040450), (2, 345520225), (5, 138208090), (10, 69104045), (19, 36370550), (25, 27641618), (38, 18185275), (50, 13820809), (59, 11712550), (95, 7274110), (118, 5856275), (190, 3637055), (295, 2342510), (475, 1454822), (590, 1171255), (950, 727411), (1121, 616450), (1475, 468502), (2242, 308225), (2950, 234251), (5605, 123290), (11210, 61645), (12329, 56050), (24658, 28025)]