851582090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 1677680640

約数和(自身を除く): 826098550

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 163, 190, 310, 326, 589, 815, 887, 1178, 1630, 1774, 2945, 3097, 4435, 5053, 5890, 6194, 8870, 10106, 15485, 16853, 25265, 27497, 30970, 33706, 50530, 54994, 84265, 96007, 137485, 144581, 168530, 192014, 274970, 289162, 480035, 522443, 722905, 960070, 1044886, 1445810, 2612215, 2747039, 4482011, 5224430, 5494078, 8964022, 13735195, 22410055, 27470390, 44820110, 85158209, 170316418, 425791045, 851582090]

約数ペア:

[(1, 851582090), (2, 425791045), (5, 170316418), (10, 85158209), (19, 44820110), (31, 27470390), (38, 22410055), (62, 13735195), (95, 8964022), (155, 5494078), (163, 5224430), (190, 4482011), (310, 2747039), (326, 2612215), (589, 1445810), (815, 1044886), (887, 960070), (1178, 722905), (1630, 522443), (1774, 480035), (2945, 289162), (3097, 274970), (4435, 192014), (5053, 168530), (5890, 144581), (6194, 137485), (8870, 96007), (10106, 84265), (15485, 54994), (16853, 50530), (25265, 33706), (27497, 30970)]