214114520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172673}}^1$

素因数の和:172715

約数の個数: 32

約数和(自身を含む): 497301120

約数和(自身を除く): 283186600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 172673, 345346, 690692, 863365, 1381384, 1726730, 3453460, 5352863, 6906920, 10705726, 21411452, 26764315, 42822904, 53528630, 107057260, 214114520]

約数ペア:

[(1, 214114520), (2, 107057260), (4, 53528630), (5, 42822904), (8, 26764315), (10, 21411452), (20, 10705726), (31, 6906920), (40, 5352863), (62, 3453460), (124, 1726730), (155, 1381384), (248, 863365), (310, 690692), (620, 345346), (1240, 172673)]