148911920

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1867}}^1$

素因数の和:2877

約数の個数: 40

約数和(自身を含む): 346753104

約数和(自身を除く): 197841184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1867, 1994, 3734, 3988, 4985, 7468, 7976, 9335, 9970, 14936, 15952, 18670, 19940, 29872, 37340, 39880, 74680, 79760, 149360, 1861399, 3722798, 7445596, 9306995, 14891192, 18613990, 29782384, 37227980, 74455960, 148911920]

約数ペア:

[(1, 148911920), (2, 74455960), (4, 37227980), (5, 29782384), (8, 18613990), (10, 14891192), (16, 9306995), (20, 7445596), (40, 3722798), (80, 1861399), (997, 149360), (1867, 79760), (1994, 74680), (3734, 39880), (3988, 37340), (4985, 29872), (7468, 19940), (7976, 18670), (9335, 15952), (9970, 14936)]