20130200980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{37321}}^1$

素因数の和:37660

約数の個数: 48

約数和(自身を含む): 42793405200

約数和(自身を除く): 22663204220

約数列:

[1, 2, 4, 5, 10, 20, 149, 181, 298, 362, 596, 724, 745, 905, 1490, 1810, 2980, 3620, 26969, 37321, 53938, 74642, 107876, 134845, 149284, 186605, 269690, 373210, 539380, 746420, 5560829, 6755101, 11121658, 13510202, 22243316, 27020404, 27804145, 33775505, 55608290, 67551010, 111216580, 135102020, 1006510049, 2013020098, 4026040196, 5032550245, 10065100490, 20130200980]

約数ペア:

[(1, 20130200980), (2, 10065100490), (4, 5032550245), (5, 4026040196), (10, 2013020098), (20, 1006510049), (149, 135102020), (181, 111216580), (298, 67551010), (362, 55608290), (596, 33775505), (724, 27804145), (745, 27020404), (905, 22243316), (1490, 13510202), (1810, 11121658), (2980, 6755101), (3620, 5560829), (26969, 746420), (37321, 539380), (53938, 373210), (74642, 269690), (107876, 186605), (134845, 149284)]