30423760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4273}}^1$

素因数の和:4375

約数の個数: 40

約数和(自身を含む): 71546760

約数和(自身を除く): 41123000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 4273, 7120, 8546, 17092, 21365, 34184, 42730, 68368, 85460, 170920, 341840, 380297, 760594, 1521188, 1901485, 3042376, 3802970, 6084752, 7605940, 15211880, 30423760]

約数ペア:

[(1, 30423760), (2, 15211880), (4, 7605940), (5, 6084752), (8, 3802970), (10, 3042376), (16, 1901485), (20, 1521188), (40, 760594), (80, 380297), (89, 341840), (178, 170920), (356, 85460), (445, 68368), (712, 42730), (890, 34184), (1424, 21365), (1780, 17092), (3560, 8546), (4273, 7120)]