109307720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 254517120

約数和(自身を除く): 145209400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 515, 617, 824, 860, 1030, 1234, 1720, 2060, 2468, 3085, 4120, 4429, 4936, 6170, 8858, 12340, 17716, 22145, 24680, 26531, 35432, 44290, 53062, 63551, 88580, 106124, 127102, 132655, 177160, 212248, 254204, 265310, 317755, 508408, 530620, 635510, 1061240, 1271020, 2542040, 2732693, 5465386, 10930772, 13663465, 21861544, 27326930, 54653860, 109307720]

約数ペア:

[(1, 109307720), (2, 54653860), (4, 27326930), (5, 21861544), (8, 13663465), (10, 10930772), (20, 5465386), (40, 2732693), (43, 2542040), (86, 1271020), (103, 1061240), (172, 635510), (206, 530620), (215, 508408), (344, 317755), (412, 265310), (430, 254204), (515, 212248), (617, 177160), (824, 132655), (860, 127102), (1030, 106124), (1234, 88580), (1720, 63551), (2060, 53062), (2468, 44290), (3085, 35432), (4120, 26531), (4429, 24680), (4936, 22145), (6170, 17716), (8858, 12340)]