203470820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18397}}^1$

素因数の和:18492

約数の個数: 48

約数和(自身を含む): 494538240

約数和(自身を除く): 291067420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 18397, 36794, 73588, 91985, 128779, 183970, 257558, 367940, 515116, 643895, 1287790, 1453363, 2575580, 2906726, 5813452, 7266815, 10173541, 14533630, 20347082, 29067260, 40694164, 50867705, 101735410, 203470820]

約数ペア:

[(1, 203470820), (2, 101735410), (4, 50867705), (5, 40694164), (7, 29067260), (10, 20347082), (14, 14533630), (20, 10173541), (28, 7266815), (35, 5813452), (70, 2906726), (79, 2575580), (140, 1453363), (158, 1287790), (316, 643895), (395, 515116), (553, 367940), (790, 257558), (1106, 183970), (1580, 128779), (2212, 91985), (2765, 73588), (5530, 36794), (11060, 18397)]