3141380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 7318080

約数和(自身を除く): 4176700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 131, 218, 220, 262, 436, 524, 545, 655, 1090, 1199, 1310, 1441, 2180, 2398, 2620, 2882, 4796, 5764, 5995, 7205, 11990, 14279, 14410, 23980, 28558, 28820, 57116, 71395, 142790, 157069, 285580, 314138, 628276, 785345, 1570690, 3141380]

約数ペア:

[(1, 3141380), (2, 1570690), (4, 785345), (5, 628276), (10, 314138), (11, 285580), (20, 157069), (22, 142790), (44, 71395), (55, 57116), (109, 28820), (110, 28558), (131, 23980), (218, 14410), (220, 14279), (262, 11990), (436, 7205), (524, 5995), (545, 5764), (655, 4796), (1090, 2882), (1199, 2620), (1310, 2398), (1441, 2180)]