389621120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{86969}}^1$

素因数の和:86995

約数の個数: 64

約数和(自身を含む): 1064512800

約数和(自身を除く): 674891680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 86969, 173938, 347876, 434845, 608783, 695752, 869690, 1217566, 1391504, 1739380, 2435132, 2783008, 3043915, 3478760, 4870264, 5566016, 6087830, 6957520, 9740528, 11132032, 12175660, 13915040, 19481056, 24351320, 27830080, 38962112, 48702640, 55660160, 77924224, 97405280, 194810560, 389621120]

約数ペア:

[(1, 389621120), (2, 194810560), (4, 97405280), (5, 77924224), (7, 55660160), (8, 48702640), (10, 38962112), (14, 27830080), (16, 24351320), (20, 19481056), (28, 13915040), (32, 12175660), (35, 11132032), (40, 9740528), (56, 6957520), (64, 6087830), (70, 5566016), (80, 4870264), (112, 3478760), (128, 3043915), (140, 2783008), (160, 2435132), (224, 1739380), (280, 1391504), (320, 1217566), (448, 869690), (560, 695752), (640, 608783), (896, 434845), (1120, 347876), (2240, 173938), (4480, 86969)]