291286310390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{19181}}^1$

素因数の和:19625

約数の個数: 64

約数和(自身を含む): 540851375232

約数和(自身を除く): 249565064842

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 293, 355, 365, 586, 710, 730, 1465, 2930, 5183, 10366, 19181, 20803, 21389, 25915, 38362, 41606, 42778, 51830, 95905, 104015, 106945, 191810, 208030, 213890, 1361851, 1400213, 1518619, 2723702, 2800426, 3037238, 5620033, 6809255, 7001065, 7593095, 11240066, 13618510, 14002130, 15186190, 28100165, 56200330, 99415123, 198830246, 399022343, 410262409, 497075615, 798044686, 820524818, 994151230, 1995111715, 2051312045, 3990223430, 4102624090, 29128631039, 58257262078, 145643155195, 291286310390]

約数ペア:

[(1, 291286310390), (2, 145643155195), (5, 58257262078), (10, 29128631039), (71, 4102624090), (73, 3990223430), (142, 2051312045), (146, 1995111715), (293, 994151230), (355, 820524818), (365, 798044686), (586, 497075615), (710, 410262409), (730, 399022343), (1465, 198830246), (2930, 99415123), (5183, 56200330), (10366, 28100165), (19181, 15186190), (20803, 14002130), (21389, 13618510), (25915, 11240066), (38362, 7593095), (41606, 7001065), (42778, 6809255), (51830, 5620033), (95905, 3037238), (104015, 2800426), (106945, 2723702), (191810, 1518619), (208030, 1400213), (213890, 1361851)]