1890690760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1487}}^1$

素因数の和:1763

約数の個数: 128

約数和(自身を含む): 5142528000

約数和(自身を除く): 3251837240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 239, 266, 280, 380, 478, 532, 665, 760, 956, 1064, 1195, 1330, 1487, 1673, 1912, 2390, 2660, 2974, 3346, 4541, 4780, 5320, 5948, 6692, 7435, 8365, 9082, 9560, 10409, 11896, 13384, 14870, 16730, 18164, 20818, 22705, 28253, 29740, 31787, 33460, 36328, 41636, 45410, 52045, 56506, 59480, 63574, 66920, 83272, 90820, 104090, 113012, 127148, 141265, 158935, 181640, 197771, 208180, 226024, 254296, 282530, 317870, 355393, 395542, 416360, 565060, 635740, 710786, 791084, 988855, 1130120, 1271480, 1421572, 1582168, 1776965, 1977710, 2487751, 2843144, 3553930, 3955420, 4975502, 6752467, 7107860, 7910840, 9951004, 12438755, 13504934, 14215720, 19902008, 24877510, 27009868, 33762335, 47267269, 49755020, 54019736, 67524670, 94534538, 99510040, 135049340, 189069076, 236336345, 270098680, 378138152, 472672690, 945345380, 1890690760]

約数ペア:

[(1, 1890690760), (2, 945345380), (4, 472672690), (5, 378138152), (7, 270098680), (8, 236336345), (10, 189069076), (14, 135049340), (19, 99510040), (20, 94534538), (28, 67524670), (35, 54019736), (38, 49755020), (40, 47267269), (56, 33762335), (70, 27009868), (76, 24877510), (95, 19902008), (133, 14215720), (140, 13504934), (152, 12438755), (190, 9951004), (239, 7910840), (266, 7107860), (280, 6752467), (380, 4975502), (478, 3955420), (532, 3553930), (665, 2843144), (760, 2487751), (956, 1977710), (1064, 1776965), (1195, 1582168), (1330, 1421572), (1487, 1271480), (1673, 1130120), (1912, 988855), (2390, 791084), (2660, 710786), (2974, 635740), (3346, 565060), (4541, 416360), (4780, 395542), (5320, 355393), (5948, 317870), (6692, 282530), (7435, 254296), (8365, 226024), (9082, 208180), (9560, 197771), (10409, 181640), (11896, 158935), (13384, 141265), (14870, 127148), (16730, 113012), (18164, 104090), (20818, 90820), (22705, 83272), (28253, 66920), (29740, 63574), (31787, 59480), (33460, 56506), (36328, 52045), (41636, 45410)]