31644700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4457}}^1$

素因数の和:4542

約数の個数: 36

約数和(自身を含む): 69651792

約数和(自身を除く): 38007092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4457, 7100, 8914, 17828, 22285, 44570, 89140, 111425, 222850, 316447, 445700, 632894, 1265788, 1582235, 3164470, 6328940, 7911175, 15822350, 31644700]

約数ペア:

[(1, 31644700), (2, 15822350), (4, 7911175), (5, 6328940), (10, 3164470), (20, 1582235), (25, 1265788), (50, 632894), (71, 445700), (100, 316447), (142, 222850), (284, 111425), (355, 89140), (710, 44570), (1420, 22285), (1775, 17828), (3550, 8914), (4457, 7100)]