212924120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{171713}}^1$

素因数の和:171755

約数の個数: 32

約数和(自身を含む): 494536320

約数和(自身を除く): 281612200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 171713, 343426, 686852, 858565, 1373704, 1717130, 3434260, 5323103, 6868520, 10646206, 21292412, 26615515, 42584824, 53231030, 106462060, 212924120]

約数ペア:

[(1, 212924120), (2, 106462060), (4, 53231030), (5, 42584824), (8, 26615515), (10, 21292412), (20, 10646206), (31, 6868520), (40, 5323103), (62, 3434260), (124, 1717130), (155, 1373704), (248, 858565), (310, 686852), (620, 343426), (1240, 171713)]