297915040

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20921}}^1$

素因数の和:21025

約数の個数: 48

約数和(自身を含む): 711766440

約数和(自身を除く): 413851400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 418420, 669472, 836840, 1673680, 1861969, 3347360, 3723938, 7447876, 9309845, 14895752, 18619690, 29791504, 37239380, 59583008, 74478760, 148957520, 297915040]

約数ペア:

[(1, 297915040), (2, 148957520), (4, 74478760), (5, 59583008), (8, 37239380), (10, 29791504), (16, 18619690), (20, 14895752), (32, 9309845), (40, 7447876), (80, 3723938), (89, 3347360), (160, 1861969), (178, 1673680), (356, 836840), (445, 669472), (712, 418420), (890, 334736), (1424, 209210), (1780, 167368), (2848, 104605), (3560, 83684), (7120, 41842), (14240, 20921)]