858698920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7583}}^1$

素因数の和:7762

約数の個数: 64

約数和(自身を含む): 2047680000

約数和(自身を除く): 1188981080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 7583, 11324, 14155, 15166, 22648, 28310, 30332, 37915, 56620, 60664, 75830, 113240, 144077, 151660, 288154, 303320, 576308, 720385, 1129867, 1152616, 1440770, 2259734, 2881540, 4519468, 5649335, 5763080, 9038936, 11298670, 21467473, 22597340, 42934946, 45194680, 85869892, 107337365, 171739784, 214674730, 429349460, 858698920]

約数ペア:

[(1, 858698920), (2, 429349460), (4, 214674730), (5, 171739784), (8, 107337365), (10, 85869892), (19, 45194680), (20, 42934946), (38, 22597340), (40, 21467473), (76, 11298670), (95, 9038936), (149, 5763080), (152, 5649335), (190, 4519468), (298, 2881540), (380, 2259734), (596, 1440770), (745, 1152616), (760, 1129867), (1192, 720385), (1490, 576308), (2831, 303320), (2980, 288154), (5662, 151660), (5960, 144077), (7583, 113240), (11324, 75830), (14155, 60664), (15166, 56620), (22648, 37915), (28310, 30332)]