388631340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2159063}}^1$

素因数の和:2159078

約数の個数: 36

約数和(自身を含む): 1178848944

約数和(自身を除く): 790217604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2159063, 4318126, 6477189, 8636252, 10795315, 12954378, 19431567, 21590630, 25908756, 32385945, 38863134, 43181260, 64771890, 77726268, 97157835, 129543780, 194315670, 388631340]

約数ペア:

[(1, 388631340), (2, 194315670), (3, 129543780), (4, 97157835), (5, 77726268), (6, 64771890), (9, 43181260), (10, 38863134), (12, 32385945), (15, 25908756), (18, 21590630), (20, 19431567), (30, 12954378), (36, 10795315), (45, 8636252), (60, 6477189), (90, 4318126), (180, 2159063)]