201754940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 432432000

約数和(自身を除く): 230677060

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 298, 316, 395, 596, 745, 790, 857, 1490, 1580, 1714, 2980, 3428, 4285, 8570, 11771, 17140, 23542, 47084, 58855, 67703, 117710, 127693, 135406, 235420, 255386, 270812, 338515, 510772, 638465, 677030, 1276930, 1354060, 2553860, 10087747, 20175494, 40350988, 50438735, 100877470, 201754940]

約数ペア:

[(1, 201754940), (2, 100877470), (4, 50438735), (5, 40350988), (10, 20175494), (20, 10087747), (79, 2553860), (149, 1354060), (158, 1276930), (298, 677030), (316, 638465), (395, 510772), (596, 338515), (745, 270812), (790, 255386), (857, 235420), (1490, 135406), (1580, 127693), (1714, 117710), (2980, 67703), (3428, 58855), (4285, 47084), (8570, 23542), (11771, 17140)]