205744880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{809}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 555031440

約数和(自身を除く): 349286560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 289, 340, 374, 440, 578, 680, 748, 809, 880, 935, 1156, 1360, 1445, 1496, 1618, 1870, 2312, 2890, 2992, 3179, 3236, 3740, 4045, 4624, 5780, 6358, 6472, 7480, 8090, 8899, 11560, 12716, 12944, 13753, 14960, 15895, 16180, 17798, 23120, 25432, 27506, 31790, 32360, 35596, 44495, 50864, 55012, 63580, 64720, 68765, 71192, 88990, 110024, 127160, 137530, 142384, 151283, 177980, 220048, 233801, 254320, 275060, 302566, 355960, 467602, 550120, 605132, 711920, 756415, 935204, 1100240, 1169005, 1210264, 1512830, 1870408, 2338010, 2420528, 2571811, 3025660, 3740816, 4676020, 5143622, 6051320, 9352040, 10287244, 12102640, 12859055, 18704080, 20574488, 25718110, 41148976, 51436220, 102872440, 205744880]

約数ペア:

[(1, 205744880), (2, 102872440), (4, 51436220), (5, 41148976), (8, 25718110), (10, 20574488), (11, 18704080), (16, 12859055), (17, 12102640), (20, 10287244), (22, 9352040), (34, 6051320), (40, 5143622), (44, 4676020), (55, 3740816), (68, 3025660), (80, 2571811), (85, 2420528), (88, 2338010), (110, 1870408), (136, 1512830), (170, 1210264), (176, 1169005), (187, 1100240), (220, 935204), (272, 756415), (289, 711920), (340, 605132), (374, 550120), (440, 467602), (578, 355960), (680, 302566), (748, 275060), (809, 254320), (880, 233801), (935, 220048), (1156, 177980), (1360, 151283), (1445, 142384), (1496, 137530), (1618, 127160), (1870, 110024), (2312, 88990), (2890, 71192), (2992, 68765), (3179, 64720), (3236, 63580), (3740, 55012), (4045, 50864), (4624, 44495), (5780, 35596), (6358, 32360), (6472, 31790), (7480, 27506), (8090, 25432), (8899, 23120), (11560, 17798), (12716, 16180), (12944, 15895), (13753, 14960)]