223949180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{123049}}^1$

素因数の和:123078

約数の個数: 48

約数和(自身を含む): 578827200

約数和(自身を除く): 354878020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 123049, 246098, 492196, 615245, 861343, 1230490, 1599637, 1722686, 2460980, 3199274, 3445372, 4306715, 6398548, 7998185, 8613430, 11197459, 15996370, 17226860, 22394918, 31992740, 44789836, 55987295, 111974590, 223949180]

約数ペア:

[(1, 223949180), (2, 111974590), (4, 55987295), (5, 44789836), (7, 31992740), (10, 22394918), (13, 17226860), (14, 15996370), (20, 11197459), (26, 8613430), (28, 7998185), (35, 6398548), (52, 4306715), (65, 3445372), (70, 3199274), (91, 2460980), (130, 1722686), (140, 1599637), (182, 1230490), (260, 861343), (364, 615245), (455, 492196), (910, 246098), (1820, 123049)]