290220160

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4013}}^1$

素因数の和:4145

約数の個数: 64

約数和(自身を含む): 700121880

約数和(自身を除く): 409901720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1130, 1808, 2260, 3616, 4013, 4520, 7232, 8026, 9040, 14464, 16052, 18080, 20065, 32104, 36160, 40130, 64208, 72320, 80260, 128416, 160520, 256832, 321040, 453469, 513664, 642080, 906938, 1284160, 1813876, 2267345, 2568320, 3627752, 4534690, 7255504, 9069380, 14511008, 18138760, 29022016, 36277520, 58044032, 72555040, 145110080, 290220160]

約数ペア:

[(1, 290220160), (2, 145110080), (4, 72555040), (5, 58044032), (8, 36277520), (10, 29022016), (16, 18138760), (20, 14511008), (32, 9069380), (40, 7255504), (64, 4534690), (80, 3627752), (113, 2568320), (128, 2267345), (160, 1813876), (226, 1284160), (320, 906938), (452, 642080), (565, 513664), (640, 453469), (904, 321040), (1130, 256832), (1808, 160520), (2260, 128416), (3616, 80260), (4013, 72320), (4520, 64208), (7232, 40130), (8026, 36160), (9040, 32104), (14464, 20065), (16052, 18080)]