2019008920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 4853882880

約数和(自身を除く): 2834873960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 151, 155, 164, 205, 248, 263, 302, 310, 328, 410, 526, 604, 620, 755, 820, 1052, 1208, 1240, 1271, 1315, 1510, 1640, 2104, 2542, 2630, 3020, 4681, 5084, 5260, 6040, 6191, 6355, 8153, 9362, 10168, 10520, 10783, 12382, 12710, 16306, 18724, 21566, 23405, 24764, 25420, 30955, 32612, 37448, 39713, 40765, 43132, 46810, 49528, 50840, 53915, 61910, 65224, 79426, 81530, 86264, 93620, 107830, 123820, 158852, 163060, 187240, 191921, 198565, 215660, 247640, 317704, 326120, 334273, 383842, 397130, 431320, 668546, 767684, 794260, 959605, 1231103, 1337092, 1535368, 1588520, 1628233, 1671365, 1919210, 2462206, 2674184, 3256466, 3342730, 3838420, 4924412, 6155515, 6512932, 6685460, 7676840, 8141165, 9848824, 12311030, 13025864, 13370920, 16282330, 24622060, 32564660, 49244120, 50475223, 65129320, 100950446, 201900892, 252376115, 403801784, 504752230, 1009504460, 2019008920]

約数ペア:

[(1, 2019008920), (2, 1009504460), (4, 504752230), (5, 403801784), (8, 252376115), (10, 201900892), (20, 100950446), (31, 65129320), (40, 50475223), (41, 49244120), (62, 32564660), (82, 24622060), (124, 16282330), (151, 13370920), (155, 13025864), (164, 12311030), (205, 9848824), (248, 8141165), (263, 7676840), (302, 6685460), (310, 6512932), (328, 6155515), (410, 4924412), (526, 3838420), (604, 3342730), (620, 3256466), (755, 2674184), (820, 2462206), (1052, 1919210), (1208, 1671365), (1240, 1628233), (1271, 1588520), (1315, 1535368), (1510, 1337092), (1640, 1231103), (2104, 959605), (2542, 794260), (2630, 767684), (3020, 668546), (4681, 431320), (5084, 397130), (5260, 383842), (6040, 334273), (6191, 326120), (6355, 317704), (8153, 247640), (9362, 215660), (10168, 198565), (10520, 191921), (10783, 187240), (12382, 163060), (12710, 158852), (16306, 123820), (18724, 107830), (21566, 93620), (23405, 86264), (24764, 81530), (25420, 79426), (30955, 65224), (32612, 61910), (37448, 53915), (39713, 50840), (40765, 49528), (43132, 46810)]