30431770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 57231360

約数和(自身を除く): 26799590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 1103, 2206, 2759, 5515, 5518, 11030, 13795, 27590, 34193, 68386, 98167, 170965, 196334, 341930, 490835, 981670, 3043177, 6086354, 15215885, 30431770]

約数ペア:

[(1, 30431770), (2, 15215885), (5, 6086354), (10, 3043177), (31, 981670), (62, 490835), (89, 341930), (155, 196334), (178, 170965), (310, 98167), (445, 68386), (890, 34193), (1103, 27590), (2206, 13795), (2759, 11030), (5515, 5518)]