630097940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{2879}}^1$

素因数の和:3272

約数の個数: 48

約数和(自身を含む): 1370234880

約数和(自身を除く): 740136940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 620, 706, 1412, 1765, 2879, 3530, 5758, 7060, 10943, 11516, 14395, 21886, 28790, 43772, 54715, 57580, 89249, 109430, 178498, 218860, 356996, 446245, 892490, 1016287, 1784980, 2032574, 4065148, 5081435, 10162870, 20325740, 31504897, 63009794, 126019588, 157524485, 315048970, 630097940]

約数ペア:

[(1, 630097940), (2, 315048970), (4, 157524485), (5, 126019588), (10, 63009794), (20, 31504897), (31, 20325740), (62, 10162870), (124, 5081435), (155, 4065148), (310, 2032574), (353, 1784980), (620, 1016287), (706, 892490), (1412, 446245), (1765, 356996), (2879, 218860), (3530, 178498), (5758, 109430), (7060, 89249), (10943, 57580), (11516, 54715), (14395, 43772), (21886, 28790)]