129639620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2039}}^1$

素因数の和:2093

約数の個数: 72

約数和(自身を含む): 315645120

約数和(自身を除く): 186005500

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2039, 2890, 3179, 3740, 4078, 5780, 6358, 8156, 10195, 12716, 15895, 20390, 22429, 31790, 34663, 40780, 44858, 63580, 69326, 89716, 112145, 138652, 173315, 224290, 346630, 381293, 448580, 589271, 693260, 762586, 1178542, 1525172, 1906465, 2357084, 2946355, 3812930, 5892710, 6481981, 7625860, 11785420, 12963962, 25927924, 32409905, 64819810, 129639620]

約数ペア:

[(1, 129639620), (2, 64819810), (4, 32409905), (5, 25927924), (10, 12963962), (11, 11785420), (17, 7625860), (20, 6481981), (22, 5892710), (34, 3812930), (44, 2946355), (55, 2357084), (68, 1906465), (85, 1525172), (110, 1178542), (170, 762586), (187, 693260), (220, 589271), (289, 448580), (340, 381293), (374, 346630), (578, 224290), (748, 173315), (935, 138652), (1156, 112145), (1445, 89716), (1870, 69326), (2039, 63580), (2890, 44858), (3179, 40780), (3740, 34663), (4078, 31790), (5780, 22429), (6358, 20390), (8156, 15895), (10195, 12716)]