998996880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{594641}}^1$

素因数の和:594664

約数の個数: 80

約数和(自身を含む): 3539309184

約数和(自身を除く): 2540312304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 594641, 1189282, 1783923, 2378564, 2973205, 3567846, 4162487, 4757128, 5946410, 7135692, 8324974, 8919615, 9514256, 11892820, 12487461, 14271384, 16649948, 17839230, 20812435, 23785640, 24974922, 28542768, 33299896, 35678460, 41624870, 47571280, 49949844, 62437305, 66599792, 71356920, 83249740, 99899688, 124874610, 142713840, 166499480, 199799376, 249749220, 332998960, 499498440, 998996880]

約数ペア:

[(1, 998996880), (2, 499498440), (3, 332998960), (4, 249749220), (5, 199799376), (6, 166499480), (7, 142713840), (8, 124874610), (10, 99899688), (12, 83249740), (14, 71356920), (15, 66599792), (16, 62437305), (20, 49949844), (21, 47571280), (24, 41624870), (28, 35678460), (30, 33299896), (35, 28542768), (40, 24974922), (42, 23785640), (48, 20812435), (56, 17839230), (60, 16649948), (70, 14271384), (80, 12487461), (84, 11892820), (105, 9514256), (112, 8919615), (120, 8324974), (140, 7135692), (168, 5946410), (210, 4757128), (240, 4162487), (280, 3567846), (336, 2973205), (420, 2378564), (560, 1783923), (840, 1189282), (1680, 594641)]