178353420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5981}}^1$

素因数の和:6071

約数の個数: 96

約数和(自身を含む): 578866176

約数和(自身を除く): 400512756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4970, 5964, 5981, 7455, 9940, 11962, 14910, 17943, 23924, 29820, 29905, 35886, 41867, 59810, 71772, 83734, 89715, 119620, 125601, 167468, 179430, 209335, 251202, 358860, 418670, 424651, 502404, 628005, 837340, 849302, 1256010, 1273953, 1698604, 2123255, 2512020, 2547906, 2972557, 4246510, 5095812, 5945114, 6369765, 8493020, 8917671, 11890228, 12739530, 14862785, 17835342, 25479060, 29725570, 35670684, 44588355, 59451140, 89176710, 178353420]

約数ペア:

[(1, 178353420), (2, 89176710), (3, 59451140), (4, 44588355), (5, 35670684), (6, 29725570), (7, 25479060), (10, 17835342), (12, 14862785), (14, 12739530), (15, 11890228), (20, 8917671), (21, 8493020), (28, 6369765), (30, 5945114), (35, 5095812), (42, 4246510), (60, 2972557), (70, 2547906), (71, 2512020), (84, 2123255), (105, 1698604), (140, 1273953), (142, 1256010), (210, 849302), (213, 837340), (284, 628005), (355, 502404), (420, 424651), (426, 418670), (497, 358860), (710, 251202), (852, 209335), (994, 179430), (1065, 167468), (1420, 125601), (1491, 119620), (1988, 89715), (2130, 83734), (2485, 71772), (2982, 59810), (4260, 41867), (4970, 35886), (5964, 29905), (5981, 29820), (7455, 23924), (9940, 17943), (11962, 14910)]