203816720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1861}}^1$

素因数の和:1948

約数の個数: 60

約数和(自身を含む): 487289124

約数和(自身を除く): 283472404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1369, 1480, 1861, 2738, 2960, 3722, 5476, 6845, 7444, 9305, 10952, 13690, 14888, 18610, 21904, 27380, 29776, 37220, 54760, 68857, 74440, 109520, 137714, 148880, 275428, 344285, 550856, 688570, 1101712, 1377140, 2547709, 2754280, 5095418, 5508560, 10190836, 12738545, 20381672, 25477090, 40763344, 50954180, 101908360, 203816720]

約数ペア:

[(1, 203816720), (2, 101908360), (4, 50954180), (5, 40763344), (8, 25477090), (10, 20381672), (16, 12738545), (20, 10190836), (37, 5508560), (40, 5095418), (74, 2754280), (80, 2547709), (148, 1377140), (185, 1101712), (296, 688570), (370, 550856), (592, 344285), (740, 275428), (1369, 148880), (1480, 137714), (1861, 109520), (2738, 74440), (2960, 68857), (3722, 54760), (5476, 37220), (6845, 29776), (7444, 27380), (9305, 21904), (10952, 18610), (13690, 14888)]