203345740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25229}}^1$

素因数の和:25282

約数の個数: 48

約数和(自身を含む): 474727680

約数和(自身を除く): 271381940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 25229, 50458, 100916, 126145, 252290, 327977, 504580, 655954, 782099, 1311908, 1564198, 1639885, 3128396, 3279770, 3910495, 6559540, 7820990, 10167287, 15641980, 20334574, 40669148, 50836435, 101672870, 203345740]

約数ペア:

[(1, 203345740), (2, 101672870), (4, 50836435), (5, 40669148), (10, 20334574), (13, 15641980), (20, 10167287), (26, 7820990), (31, 6559540), (52, 3910495), (62, 3279770), (65, 3128396), (124, 1639885), (130, 1564198), (155, 1311908), (260, 782099), (310, 655954), (403, 504580), (620, 327977), (806, 252290), (1612, 126145), (2015, 100916), (4030, 50458), (8060, 25229)]