809854850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10720

約数の個数: 72

約数和(自身を含む): 1808955648

約数和(自身を除く): 999100798

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 175, 217, 245, 310, 350, 434, 490, 775, 1085, 1225, 1519, 1550, 2170, 2450, 3038, 5425, 7595, 10663, 10850, 15190, 21326, 37975, 53315, 74641, 75950, 106630, 149282, 266575, 330553, 373205, 522487, 533150, 661106, 746410, 1044974, 1652765, 1866025, 2313871, 2612435, 3305530, 3732050, 4627742, 5224870, 8263825, 11569355, 13062175, 16197097, 16527650, 23138710, 26124350, 32394194, 57846775, 80985485, 115693550, 161970970, 404927425, 809854850]

約数ペア:

[(1, 809854850), (2, 404927425), (5, 161970970), (7, 115693550), (10, 80985485), (14, 57846775), (25, 32394194), (31, 26124350), (35, 23138710), (49, 16527650), (50, 16197097), (62, 13062175), (70, 11569355), (98, 8263825), (155, 5224870), (175, 4627742), (217, 3732050), (245, 3305530), (310, 2612435), (350, 2313871), (434, 1866025), (490, 1652765), (775, 1044974), (1085, 746410), (1225, 661106), (1519, 533150), (1550, 522487), (2170, 373205), (2450, 330553), (3038, 266575), (5425, 149282), (7595, 106630), (10663, 75950), (10850, 74641), (15190, 53315), (21326, 37975)]