685321580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{9521}}^1$

素因数の和:9650

約数の個数: 48

約数和(自身を含む): 1487717280

約数和(自身を除く): 802395700

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 3599, 7198, 9521, 14396, 17995, 19042, 35990, 38084, 47605, 71980, 95210, 190420, 561739, 580781, 1123478, 1161562, 2246956, 2323124, 2808695, 2903905, 5617390, 5807810, 11234780, 11615620, 34266079, 68532158, 137064316, 171330395, 342660790, 685321580]

約数ペア:

[(1, 685321580), (2, 342660790), (4, 171330395), (5, 137064316), (10, 68532158), (20, 34266079), (59, 11615620), (61, 11234780), (118, 5807810), (122, 5617390), (236, 2903905), (244, 2808695), (295, 2323124), (305, 2246956), (590, 1161562), (610, 1123478), (1180, 580781), (1220, 561739), (3599, 190420), (7198, 95210), (9521, 71980), (14396, 47605), (17995, 38084), (19042, 35990)]