401035720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137341}}^1$

素因数の和:137425

約数の個数: 32

約数和(自身を含む): 914697720

約数和(自身を除く): 513662000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 137341, 274682, 549364, 686705, 1098728, 1373410, 2746820, 5493640, 10025893, 20051786, 40103572, 50129465, 80207144, 100258930, 200517860, 401035720]

約数ペア:

[(1, 401035720), (2, 200517860), (4, 100258930), (5, 80207144), (8, 50129465), (10, 40103572), (20, 20051786), (40, 10025893), (73, 5493640), (146, 2746820), (292, 1373410), (365, 1098728), (584, 686705), (730, 549364), (1460, 274682), (2920, 137341)]