79211720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3678

約数の個数: 64

約数和(自身を含む): 206323200

約数和(自身を除く): 127111480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 3581, 4424, 5530, 7162, 11060, 14324, 17905, 22120, 25067, 28648, 35810, 50134, 71620, 100268, 125335, 143240, 200536, 250670, 282899, 501340, 565798, 1002680, 1131596, 1414495, 1980293, 2263192, 2828990, 3960586, 5657980, 7921172, 9901465, 11315960, 15842344, 19802930, 39605860, 79211720]

約数ペア:

[(1, 79211720), (2, 39605860), (4, 19802930), (5, 15842344), (7, 11315960), (8, 9901465), (10, 7921172), (14, 5657980), (20, 3960586), (28, 2828990), (35, 2263192), (40, 1980293), (56, 1414495), (70, 1131596), (79, 1002680), (140, 565798), (158, 501340), (280, 282899), (316, 250670), (395, 200536), (553, 143240), (632, 125335), (790, 100268), (1106, 71620), (1580, 50134), (2212, 35810), (2765, 28648), (3160, 25067), (3581, 22120), (4424, 17905), (5530, 14324), (7162, 11060)]