1999682390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 3765009600

約数和(自身を除く): 1765327210

約数列:

[1, 2, 5, 10, 37, 74, 109, 179, 185, 218, 277, 358, 370, 545, 554, 895, 1090, 1385, 1790, 2770, 4033, 6623, 8066, 10249, 13246, 19511, 20165, 20498, 30193, 33115, 39022, 40330, 49583, 51245, 60386, 66230, 97555, 99166, 102490, 150965, 195110, 247915, 301930, 495830, 721907, 1117141, 1443814, 1834571, 2234282, 3609535, 3669142, 5404547, 5585705, 7219070, 9172855, 10809094, 11171410, 18345710, 27022735, 54045470, 199968239, 399936478, 999841195, 1999682390]

約数ペア:

[(1, 1999682390), (2, 999841195), (5, 399936478), (10, 199968239), (37, 54045470), (74, 27022735), (109, 18345710), (179, 11171410), (185, 10809094), (218, 9172855), (277, 7219070), (358, 5585705), (370, 5404547), (545, 3669142), (554, 3609535), (895, 2234282), (1090, 1834571), (1385, 1443814), (1790, 1117141), (2770, 721907), (4033, 495830), (6623, 301930), (8066, 247915), (10249, 195110), (13246, 150965), (19511, 102490), (20165, 99166), (20498, 97555), (30193, 66230), (33115, 60386), (39022, 51245), (40330, 49583)]