163814840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{83579}}^1$

素因数の和:83604

約数の個数: 48

約数和(自身を含む): 428765400

約数和(自身を除く): 264950560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 83579, 167158, 334316, 417895, 585053, 668632, 835790, 1170106, 1671580, 2340212, 2925265, 3343160, 4095371, 4680424, 5850530, 8190742, 11701060, 16381484, 20476855, 23402120, 32762968, 40953710, 81907420, 163814840]

約数ペア:

[(1, 163814840), (2, 81907420), (4, 40953710), (5, 32762968), (7, 23402120), (8, 20476855), (10, 16381484), (14, 11701060), (20, 8190742), (28, 5850530), (35, 4680424), (40, 4095371), (49, 3343160), (56, 2925265), (70, 2340212), (98, 1671580), (140, 1170106), (196, 835790), (245, 668632), (280, 585053), (392, 417895), (490, 334316), (980, 167158), (1960, 83579)]