1400979440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131671}}^1$

素因数の和:131710

約数の個数: 80

約数和(自身を含む): 3918558720

約数和(自身を除く): 2517579280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 131671, 263342, 526684, 658355, 921697, 1053368, 1316710, 1843394, 2106736, 2501749, 2633420, 3686788, 4608485, 5003498, 5266840, 7373576, 9216970, 10006996, 10533680, 12508745, 14747152, 17512243, 18433940, 20013992, 25017490, 35024486, 36867880, 40027984, 50034980, 70048972, 73735760, 87561215, 100069960, 140097944, 175122430, 200139920, 280195888, 350244860, 700489720, 1400979440]

約数ペア:

[(1, 1400979440), (2, 700489720), (4, 350244860), (5, 280195888), (7, 200139920), (8, 175122430), (10, 140097944), (14, 100069960), (16, 87561215), (19, 73735760), (20, 70048972), (28, 50034980), (35, 40027984), (38, 36867880), (40, 35024486), (56, 25017490), (70, 20013992), (76, 18433940), (80, 17512243), (95, 14747152), (112, 12508745), (133, 10533680), (140, 10006996), (152, 9216970), (190, 7373576), (266, 5266840), (280, 5003498), (304, 4608485), (380, 3686788), (532, 2633420), (560, 2501749), (665, 2106736), (760, 1843394), (1064, 1316710), (1330, 1053368), (1520, 921697), (2128, 658355), (2660, 526684), (5320, 263342), (10640, 131671)]