940025090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{42709}}^1$

素因数の和:42818

約数の個数: 32

約数和(自身を含む): 1771269120

約数和(自身を除く): 831244030

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 22010, 42709, 85418, 213545, 427090, 1323979, 2647958, 3032339, 6064678, 6619895, 13239790, 15161695, 30323390, 94002509, 188005018, 470012545, 940025090]

約数ペア:

[(1, 940025090), (2, 470012545), (5, 188005018), (10, 94002509), (31, 30323390), (62, 15161695), (71, 13239790), (142, 6619895), (155, 6064678), (310, 3032339), (355, 2647958), (710, 1323979), (2201, 427090), (4402, 213545), (11005, 85418), (22010, 42709)]