39939800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 98786460

約数和(自身を除く): 58846660

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 425, 578, 680, 691, 850, 1156, 1382, 1445, 1700, 2312, 2764, 2890, 3400, 3455, 5528, 5780, 6910, 7225, 11560, 11747, 13820, 14450, 17275, 23494, 27640, 28900, 34550, 46988, 57800, 58735, 69100, 93976, 117470, 138200, 199699, 234940, 293675, 399398, 469880, 587350, 798796, 998495, 1174700, 1597592, 1996990, 2349400, 3993980, 4992475, 7987960, 9984950, 19969900, 39939800]

約数ペア:

[(1, 39939800), (2, 19969900), (4, 9984950), (5, 7987960), (8, 4992475), (10, 3993980), (17, 2349400), (20, 1996990), (25, 1597592), (34, 1174700), (40, 998495), (50, 798796), (68, 587350), (85, 469880), (100, 399398), (136, 293675), (170, 234940), (200, 199699), (289, 138200), (340, 117470), (425, 93976), (578, 69100), (680, 58735), (691, 57800), (850, 46988), (1156, 34550), (1382, 28900), (1445, 27640), (1700, 23494), (2312, 17275), (2764, 14450), (2890, 13820), (3400, 11747), (3455, 11560), (5528, 7225), (5780, 6910)]