388917810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{187883}}^1$

素因数の和:187919

約数の個数: 48

約数和(自身を含む): 1055156544

約数和(自身を除く): 666238734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 187883, 375766, 563649, 939415, 1127298, 1690947, 1878830, 2818245, 3381894, 4321309, 5636490, 8454735, 8642618, 12963927, 16909470, 21606545, 25927854, 38891781, 43213090, 64819635, 77783562, 129639270, 194458905, 388917810]

約数ペア:

[(1, 388917810), (2, 194458905), (3, 129639270), (5, 77783562), (6, 64819635), (9, 43213090), (10, 38891781), (15, 25927854), (18, 21606545), (23, 16909470), (30, 12963927), (45, 8642618), (46, 8454735), (69, 5636490), (90, 4321309), (115, 3381894), (138, 2818245), (207, 1878830), (230, 1690947), (345, 1127298), (414, 939415), (690, 563649), (1035, 375766), (2070, 187883)]