86631020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 213832080

約数和(自身を除く): 127201060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 811, 980, 1090, 1526, 1622, 2180, 3052, 3244, 3815, 4055, 5341, 5677, 7630, 8110, 10682, 11354, 15260, 16220, 21364, 22708, 26705, 28385, 39739, 53410, 56770, 79478, 88399, 106820, 113540, 158956, 176798, 198695, 353596, 397390, 441995, 618793, 794780, 883990, 1237586, 1767980, 2475172, 3093965, 4331551, 6187930, 8663102, 12375860, 17326204, 21657755, 43315510, 86631020]

約数ペア:

[(1, 86631020), (2, 43315510), (4, 21657755), (5, 17326204), (7, 12375860), (10, 8663102), (14, 6187930), (20, 4331551), (28, 3093965), (35, 2475172), (49, 1767980), (70, 1237586), (98, 883990), (109, 794780), (140, 618793), (196, 441995), (218, 397390), (245, 353596), (436, 198695), (490, 176798), (545, 158956), (763, 113540), (811, 106820), (980, 88399), (1090, 79478), (1526, 56770), (1622, 53410), (2180, 39739), (3052, 28385), (3244, 26705), (3815, 22708), (4055, 21364), (5341, 16220), (5677, 15260), (7630, 11354), (8110, 10682)]