154037140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{248447}}^1$

素因数の和:248487

約数の個数: 24

約数和(自身を含む): 333914112

約数和(自身を除く): 179876972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 248447, 496894, 993788, 1242235, 2484470, 4968940, 7701857, 15403714, 30807428, 38509285, 77018570, 154037140]

約数ペア:

[(1, 154037140), (2, 77018570), (4, 38509285), (5, 30807428), (10, 15403714), (20, 7701857), (31, 4968940), (62, 2484470), (124, 1242235), (155, 993788), (310, 496894), (620, 248447)]