138508890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{809}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 359251200

約数和(自身を除く): 220742310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 439, 809, 878, 1317, 1618, 2195, 2427, 2634, 4045, 4390, 4854, 5707, 6585, 8090, 10517, 11414, 12135, 13170, 17121, 21034, 24270, 28535, 31551, 34242, 52585, 57070, 63102, 85605, 105170, 157755, 171210, 315510, 355151, 710302, 1065453, 1775755, 2130906, 3551510, 4616963, 5327265, 9233926, 10654530, 13850889, 23084815, 27701778, 46169630, 69254445, 138508890]

約数ペア:

[(1, 138508890), (2, 69254445), (3, 46169630), (5, 27701778), (6, 23084815), (10, 13850889), (13, 10654530), (15, 9233926), (26, 5327265), (30, 4616963), (39, 3551510), (65, 2130906), (78, 1775755), (130, 1065453), (195, 710302), (390, 355151), (439, 315510), (809, 171210), (878, 157755), (1317, 105170), (1618, 85605), (2195, 63102), (2427, 57070), (2634, 52585), (4045, 34242), (4390, 31551), (4854, 28535), (5707, 24270), (6585, 21034), (8090, 17121), (10517, 13170), (11414, 12135)]