56430820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 126146160

約数和(自身を除く): 69715340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 538, 617, 1076, 1234, 1345, 2468, 2690, 3085, 4573, 5380, 6170, 9146, 10489, 12340, 18292, 20978, 22865, 41956, 45730, 52445, 91460, 104890, 165973, 209780, 331946, 663892, 829865, 1659730, 2821541, 3319460, 5643082, 11286164, 14107705, 28215410, 56430820]

約数ペア:

[(1, 56430820), (2, 28215410), (4, 14107705), (5, 11286164), (10, 5643082), (17, 3319460), (20, 2821541), (34, 1659730), (68, 829865), (85, 663892), (170, 331946), (269, 209780), (340, 165973), (538, 104890), (617, 91460), (1076, 52445), (1234, 45730), (1345, 41956), (2468, 22865), (2690, 20978), (3085, 18292), (4573, 12340), (5380, 10489), (6170, 9146)]