389753920

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{11383}}^1$

素因数の和:11507

約数の個数: 56

約数和(自身を含む): 936857664

約数和(自身を除く): 547103744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 6848, 8560, 11383, 17120, 22766, 34240, 45532, 56915, 91064, 113830, 182128, 227660, 364256, 455320, 728512, 910640, 1217981, 1821280, 2435962, 3642560, 4871924, 6089905, 9743848, 12179810, 19487696, 24359620, 38975392, 48719240, 77950784, 97438480, 194876960, 389753920]

約数ペア:

[(1, 389753920), (2, 194876960), (4, 97438480), (5, 77950784), (8, 48719240), (10, 38975392), (16, 24359620), (20, 19487696), (32, 12179810), (40, 9743848), (64, 6089905), (80, 4871924), (107, 3642560), (160, 2435962), (214, 1821280), (320, 1217981), (428, 910640), (535, 728512), (856, 455320), (1070, 364256), (1712, 227660), (2140, 182128), (3424, 113830), (4280, 91064), (6848, 56915), (8560, 45532), (11383, 34240), (17120, 22766)]