16919080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 23904920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 179, 278, 340, 358, 556, 680, 695, 716, 895, 1112, 1390, 1432, 1790, 2363, 2780, 3043, 3580, 4726, 5560, 6086, 7160, 9452, 11815, 12172, 15215, 18904, 23630, 24344, 24881, 30430, 47260, 49762, 60860, 94520, 99524, 121720, 124405, 199048, 248810, 422977, 497620, 845954, 995240, 1691908, 2114885, 3383816, 4229770, 8459540, 16919080]

約数ペア:

[(1, 16919080), (2, 8459540), (4, 4229770), (5, 3383816), (8, 2114885), (10, 1691908), (17, 995240), (20, 845954), (34, 497620), (40, 422977), (68, 248810), (85, 199048), (136, 124405), (139, 121720), (170, 99524), (179, 94520), (278, 60860), (340, 49762), (358, 47260), (556, 30430), (680, 24881), (695, 24344), (716, 23630), (895, 18904), (1112, 15215), (1390, 12172), (1432, 11815), (1790, 9452), (2363, 7160), (2780, 6086), (3043, 5560), (3580, 4726)]