82674760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42181}}^1$

素因数の和:42206

約数の個数: 48

約数和(自身を含む): 216393660

約数和(自身を除く): 133718900

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, 42181, 84362, 168724, 210905, 295267, 337448, 421810, 590534, 843620, 1181068, 1476335, 1687240, 2066869, 2362136, 2952670, 4133738, 5905340, 8267476, 10334345, 11810680, 16534952, 20668690, 41337380, 82674760]

約数ペア:

[(1, 82674760), (2, 41337380), (4, 20668690), (5, 16534952), (7, 11810680), (8, 10334345), (10, 8267476), (14, 5905340), (20, 4133738), (28, 2952670), (35, 2362136), (40, 2066869), (49, 1687240), (56, 1476335), (70, 1181068), (98, 843620), (140, 590534), (196, 421810), (245, 337448), (280, 295267), (392, 210905), (490, 168724), (980, 84362), (1960, 42181)]