2174994760

素因数分解:

$2^3\times 5^1\times {\mathrm{2999}}^1\times {\mathrm{18131}}^1$

素因数の和:21141

約数の個数: 32

約数和(自身を含む): 4895640000

約数和(自身を除く): 2720645240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2999, 5998, 11996, 14995, 18131, 23992, 29990, 36262, 59980, 72524, 90655, 119960, 145048, 181310, 362620, 725240, 54374869, 108749738, 217499476, 271874345, 434998952, 543748690, 1087497380, 2174994760]

約数ペア:

[(1, 2174994760), (2, 1087497380), (4, 543748690), (5, 434998952), (8, 271874345), (10, 217499476), (20, 108749738), (40, 54374869), (2999, 725240), (5998, 362620), (11996, 181310), (14995, 145048), (18131, 119960), (23992, 90655), (29990, 72524), (36262, 59980)]