1380451390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4453069}}^1$

素因数の和:4453107

約数の個数: 16

約数和(自身を含む): 2564968320

約数和(自身を除く): 1184516930

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 4453069, 8906138, 22265345, 44530690, 138045139, 276090278, 690225695, 1380451390]

約数ペア:

[(1, 1380451390), (2, 690225695), (5, 276090278), (10, 138045139), (31, 44530690), (62, 22265345), (155, 8906138), (310, 4453069)]