57816940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 134830080

約数和(自身を除く): 77013140

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 43, 46, 74, 79, 86, 92, 115, 148, 158, 172, 185, 215, 230, 316, 370, 395, 430, 460, 740, 790, 851, 860, 989, 1580, 1591, 1702, 1817, 1978, 2923, 3182, 3397, 3404, 3634, 3956, 4255, 4945, 5846, 6364, 6794, 7268, 7955, 8510, 9085, 9890, 11692, 13588, 14615, 15910, 16985, 17020, 18170, 19780, 29230, 31820, 33970, 36340, 36593, 58460, 67229, 67940, 73186, 78131, 125689, 134458, 146372, 156262, 182965, 251378, 268916, 312524, 336145, 365930, 390655, 502756, 628445, 672290, 731860, 781310, 1256890, 1344580, 1562620, 2513780, 2890847, 5781694, 11563388, 14454235, 28908470, 57816940]

約数ペア:

[(1, 57816940), (2, 28908470), (4, 14454235), (5, 11563388), (10, 5781694), (20, 2890847), (23, 2513780), (37, 1562620), (43, 1344580), (46, 1256890), (74, 781310), (79, 731860), (86, 672290), (92, 628445), (115, 502756), (148, 390655), (158, 365930), (172, 336145), (185, 312524), (215, 268916), (230, 251378), (316, 182965), (370, 156262), (395, 146372), (430, 134458), (460, 125689), (740, 78131), (790, 73186), (851, 67940), (860, 67229), (989, 58460), (1580, 36593), (1591, 36340), (1702, 33970), (1817, 31820), (1978, 29230), (2923, 19780), (3182, 18170), (3397, 17020), (3404, 16985), (3634, 15910), (3956, 14615), (4255, 13588), (4945, 11692), (5846, 9890), (6364, 9085), (6794, 8510), (7268, 7955)]