68349460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 156310560

約数和(自身を除く): 87961100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 107, 164, 190, 205, 214, 380, 410, 428, 535, 779, 820, 1070, 1558, 1681, 2033, 2140, 3116, 3362, 3895, 4066, 4387, 6724, 7790, 8132, 8405, 8774, 10165, 15580, 16810, 17548, 20330, 21935, 31939, 33620, 40660, 43870, 63878, 83353, 87740, 127756, 159695, 166706, 179867, 319390, 333412, 359734, 416765, 638780, 719468, 833530, 899335, 1667060, 1798670, 3417473, 3597340, 6834946, 13669892, 17087365, 34174730, 68349460]

約数ペア:

[(1, 68349460), (2, 34174730), (4, 17087365), (5, 13669892), (10, 6834946), (19, 3597340), (20, 3417473), (38, 1798670), (41, 1667060), (76, 899335), (82, 833530), (95, 719468), (107, 638780), (164, 416765), (190, 359734), (205, 333412), (214, 319390), (380, 179867), (410, 166706), (428, 159695), (535, 127756), (779, 87740), (820, 83353), (1070, 63878), (1558, 43870), (1681, 40660), (2033, 33620), (2140, 31939), (3116, 21935), (3362, 20330), (3895, 17548), (4066, 16810), (4387, 15580), (6724, 10165), (7790, 8774), (8132, 8405)]