29678156920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1931}}^1\times {\mathrm{2221}}^1$

素因数の和:4336

約数の個数: 64

約数和(自身を含む): 67226876640

約数和(自身を除く): 37548719720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 1931, 2221, 3460, 3862, 4442, 6920, 7724, 8884, 9655, 11105, 15448, 17768, 19310, 22210, 38620, 44420, 77240, 88840, 334063, 384233, 668126, 768466, 1336252, 1536932, 1670315, 1921165, 2672504, 3073864, 3340630, 3842330, 4288751, 6681260, 7684660, 8577502, 13362520, 15369320, 17155004, 21443755, 34310008, 42887510, 85775020, 171550040, 741953923, 1483907846, 2967815692, 3709769615, 5935631384, 7419539230, 14839078460, 29678156920]

約数ペア:

[(1, 29678156920), (2, 14839078460), (4, 7419539230), (5, 5935631384), (8, 3709769615), (10, 2967815692), (20, 1483907846), (40, 741953923), (173, 171550040), (346, 85775020), (692, 42887510), (865, 34310008), (1384, 21443755), (1730, 17155004), (1931, 15369320), (2221, 13362520), (3460, 8577502), (3862, 7684660), (4442, 6681260), (6920, 4288751), (7724, 3842330), (8884, 3340630), (9655, 3073864), (11105, 2672504), (15448, 1921165), (17768, 1670315), (19310, 1536932), (22210, 1336252), (38620, 768466), (44420, 668126), (77240, 384233), (88840, 334063)]