201250840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{102679}}^1$

素因数の和:102704

約数の個数: 48

約数和(自身を含む): 526748400

約数和(自身を除く): 325497560

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, 102679, 205358, 410716, 513395, 718753, 821432, 1026790, 1437506, 2053580, 2875012, 3593765, 4107160, 5031271, 5750024, 7187530, 10062542, 14375060, 20125084, 25156355, 28750120, 40250168, 50312710, 100625420, 201250840]

約数ペア:

[(1, 201250840), (2, 100625420), (4, 50312710), (5, 40250168), (7, 28750120), (8, 25156355), (10, 20125084), (14, 14375060), (20, 10062542), (28, 7187530), (35, 5750024), (40, 5031271), (49, 4107160), (56, 3593765), (70, 2875012), (98, 2053580), (140, 1437506), (196, 1026790), (245, 821432), (280, 718753), (392, 513395), (490, 410716), (980, 205358), (1960, 102679)]