7948460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 18933600

約数和(自身を除く): 10985140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1609, 2470, 3218, 4940, 6436, 8045, 16090, 20917, 30571, 32180, 41834, 61142, 83668, 104585, 122284, 152855, 209170, 305710, 397423, 418340, 611420, 794846, 1589692, 1987115, 3974230, 7948460]

約数ペア:

[(1, 7948460), (2, 3974230), (4, 1987115), (5, 1589692), (10, 794846), (13, 611420), (19, 418340), (20, 397423), (26, 305710), (38, 209170), (52, 152855), (65, 122284), (76, 104585), (95, 83668), (130, 61142), (190, 41834), (247, 32180), (260, 30571), (380, 20917), (494, 16090), (988, 8045), (1235, 6436), (1609, 4940), (2470, 3218)]