137950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 267840

約数和(自身を除く): 129890

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 775, 890, 1550, 2225, 2759, 4450, 5518, 13795, 27590, 68975, 137950]

約数ペア:

[(1, 137950), (2, 68975), (5, 27590), (10, 13795), (25, 5518), (31, 4450), (50, 2759), (62, 2225), (89, 1550), (155, 890), (178, 775), (310, 445)]