85896020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87649}}^1$

素因数の和:87672

約数の個数: 36

約数和(自身を含む): 209834100

約数和(自身を除く): 123938080

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87649, 175298, 350596, 438245, 613543, 876490, 1227086, 1752980, 2454172, 3067715, 4294801, 6135430, 8589602, 12270860, 17179204, 21474005, 42948010, 85896020]

約数ペア:

[(1, 85896020), (2, 42948010), (4, 21474005), (5, 17179204), (7, 12270860), (10, 8589602), (14, 6135430), (20, 4294801), (28, 3067715), (35, 2454172), (49, 1752980), (70, 1227086), (98, 876490), (140, 613543), (196, 438245), (245, 350596), (490, 175298), (980, 87649)]