212524220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4339}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 466636800

約数和(自身を除く): 254112580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4339, 4898, 8678, 9796, 12245, 17356, 21695, 24490, 43390, 48980, 86780, 134509, 269018, 342781, 538036, 672545, 685562, 1345090, 1371124, 1713905, 2690180, 3427810, 6855620, 10626211, 21252422, 42504844, 53131055, 106262110, 212524220]

約数ペア:

[(1, 212524220), (2, 106262110), (4, 53131055), (5, 42504844), (10, 21252422), (20, 10626211), (31, 6855620), (62, 3427810), (79, 2690180), (124, 1713905), (155, 1371124), (158, 1345090), (310, 685562), (316, 672545), (395, 538036), (620, 342781), (790, 269018), (1580, 134509), (2449, 86780), (4339, 48980), (4898, 43390), (8678, 24490), (9796, 21695), (12245, 17356)]