210833840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{983}}^1$

素因数の和:1386

約数の個数: 80

約数和(自身を含む): 562249728

約数和(自身を除く): 351415888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 383, 560, 766, 983, 1532, 1915, 1966, 2681, 3064, 3830, 3932, 4915, 5362, 6128, 6881, 7660, 7864, 9830, 10724, 13405, 13762, 15320, 15728, 19660, 21448, 26810, 27524, 30640, 34405, 39320, 42896, 53620, 55048, 68810, 78640, 107240, 110096, 137620, 214480, 275240, 376489, 550480, 752978, 1505956, 1882445, 2635423, 3011912, 3764890, 5270846, 6023824, 7529780, 10541692, 13177115, 15059560, 21083384, 26354230, 30119120, 42166768, 52708460, 105416920, 210833840]

約数ペア:

[(1, 210833840), (2, 105416920), (4, 52708460), (5, 42166768), (7, 30119120), (8, 26354230), (10, 21083384), (14, 15059560), (16, 13177115), (20, 10541692), (28, 7529780), (35, 6023824), (40, 5270846), (56, 3764890), (70, 3011912), (80, 2635423), (112, 1882445), (140, 1505956), (280, 752978), (383, 550480), (560, 376489), (766, 275240), (983, 214480), (1532, 137620), (1915, 110096), (1966, 107240), (2681, 78640), (3064, 68810), (3830, 55048), (3932, 53620), (4915, 42896), (5362, 39320), (6128, 34405), (6881, 30640), (7660, 27524), (7864, 26810), (9830, 21448), (10724, 19660), (13405, 15728), (13762, 15320)]