320783270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 625121280

約数和(自身を除く): 304338010

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 113, 134, 190, 223, 226, 335, 446, 565, 670, 1115, 1130, 1273, 2147, 2230, 2546, 4237, 4294, 6365, 7571, 8474, 10735, 12730, 14941, 15142, 21185, 21470, 25199, 29882, 37855, 42370, 50398, 74705, 75710, 125995, 143849, 149410, 251990, 283879, 287698, 478781, 567758, 719245, 957562, 1419395, 1438490, 1688333, 2393905, 2838790, 3376666, 4787810, 8441665, 16883330, 32078327, 64156654, 160391635, 320783270]

約数ペア:

[(1, 320783270), (2, 160391635), (5, 64156654), (10, 32078327), (19, 16883330), (38, 8441665), (67, 4787810), (95, 3376666), (113, 2838790), (134, 2393905), (190, 1688333), (223, 1438490), (226, 1419395), (335, 957562), (446, 719245), (565, 567758), (670, 478781), (1115, 287698), (1130, 283879), (1273, 251990), (2147, 149410), (2230, 143849), (2546, 125995), (4237, 75710), (4294, 74705), (6365, 50398), (7571, 42370), (8474, 37855), (10735, 29882), (12730, 25199), (14941, 21470), (15142, 21185)]