171792040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{87649}}^1$

素因数の和:87674

約数の個数: 48

約数和(自身を含む): 449644500

約数和(自身を除く): 277852460

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, 87649, 175298, 350596, 438245, 613543, 701192, 876490, 1227086, 1752980, 2454172, 3067715, 3505960, 4294801, 4908344, 6135430, 8589602, 12270860, 17179204, 21474005, 24541720, 34358408, 42948010, 85896020, 171792040]

約数ペア:

[(1, 171792040), (2, 85896020), (4, 42948010), (5, 34358408), (7, 24541720), (8, 21474005), (10, 17179204), (14, 12270860), (20, 8589602), (28, 6135430), (35, 4908344), (40, 4294801), (49, 3505960), (56, 3067715), (70, 2454172), (98, 1752980), (140, 1227086), (196, 876490), (245, 701192), (280, 613543), (392, 438245), (490, 350596), (980, 175298), (1960, 87649)]