391239110

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 749948544

約数和(自身を除く): 358709434

約数列:

[1, 2, 5, 10, 37, 53, 71, 74, 106, 142, 185, 265, 281, 355, 370, 530, 562, 710, 1405, 1961, 2627, 2810, 3763, 3922, 5254, 7526, 9805, 10397, 13135, 14893, 18815, 19610, 19951, 20794, 26270, 29786, 37630, 39902, 51985, 74465, 99755, 103970, 139231, 148930, 199510, 278462, 551041, 696155, 738187, 1057403, 1102082, 1392310, 1476374, 2114806, 2755205, 3690935, 5287015, 5510410, 7381870, 10574030, 39123911, 78247822, 195619555, 391239110]

約数ペア:

[(1, 391239110), (2, 195619555), (5, 78247822), (10, 39123911), (37, 10574030), (53, 7381870), (71, 5510410), (74, 5287015), (106, 3690935), (142, 2755205), (185, 2114806), (265, 1476374), (281, 1392310), (355, 1102082), (370, 1057403), (530, 738187), (562, 696155), (710, 551041), (1405, 278462), (1961, 199510), (2627, 148930), (2810, 139231), (3763, 103970), (3922, 99755), (5254, 74465), (7526, 51985), (9805, 39902), (10397, 37630), (13135, 29786), (14893, 26270), (18815, 20794), (19610, 19951)]