1381491940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{14251}}^1$

素因数の和:14428

約数の個数: 48

約数和(自身を含む): 3002497344

約数和(自身を除く): 1621005404

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 14251, 19388, 24235, 28502, 48470, 57004, 71255, 96940, 142510, 285020, 527287, 1054574, 1866881, 2109148, 2636435, 3733762, 5272870, 7467524, 9334405, 10545740, 18668810, 37337620, 69074597, 138149194, 276298388, 345372985, 690745970, 1381491940]

約数ペア:

[(1, 1381491940), (2, 690745970), (4, 345372985), (5, 276298388), (10, 138149194), (20, 69074597), (37, 37337620), (74, 18668810), (131, 10545740), (148, 9334405), (185, 7467524), (262, 5272870), (370, 3733762), (524, 2636435), (655, 2109148), (740, 1866881), (1310, 1054574), (2620, 527287), (4847, 285020), (9694, 142510), (14251, 96940), (19388, 71255), (24235, 57004), (28502, 48470)]