201003980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1823}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 436665600

約数和(自身を除く): 235661620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 740, 745, 1490, 1823, 2980, 3646, 5513, 7292, 9115, 11026, 18230, 22052, 27565, 36460, 55130, 67451, 110260, 134902, 269804, 271627, 337255, 543254, 674510, 1086508, 1349020, 1358135, 2716270, 5432540, 10050199, 20100398, 40200796, 50250995, 100501990, 201003980]

約数ペア:

[(1, 201003980), (2, 100501990), (4, 50250995), (5, 40200796), (10, 20100398), (20, 10050199), (37, 5432540), (74, 2716270), (148, 1358135), (149, 1349020), (185, 1086508), (298, 674510), (370, 543254), (596, 337255), (740, 271627), (745, 269804), (1490, 134902), (1823, 110260), (2980, 67451), (3646, 55130), (5513, 36460), (7292, 27565), (9115, 22052), (11026, 18230)]