201223760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 484666896

約数和(自身を除く): 283443136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 157, 185, 296, 314, 370, 433, 592, 628, 740, 785, 866, 1256, 1480, 1570, 1732, 2165, 2512, 2960, 3140, 3464, 4330, 5809, 6280, 6928, 8660, 11618, 12560, 16021, 17320, 23236, 29045, 32042, 34640, 46472, 58090, 64084, 67981, 80105, 92944, 116180, 128168, 135962, 160210, 232360, 256336, 271924, 320420, 339905, 464720, 543848, 640840, 679810, 1087696, 1281680, 1359620, 2515297, 2719240, 5030594, 5438480, 10061188, 12576485, 20122376, 25152970, 40244752, 50305940, 100611880, 201223760]

約数ペア:

[(1, 201223760), (2, 100611880), (4, 50305940), (5, 40244752), (8, 25152970), (10, 20122376), (16, 12576485), (20, 10061188), (37, 5438480), (40, 5030594), (74, 2719240), (80, 2515297), (148, 1359620), (157, 1281680), (185, 1087696), (296, 679810), (314, 640840), (370, 543848), (433, 464720), (592, 339905), (628, 320420), (740, 271924), (785, 256336), (866, 232360), (1256, 160210), (1480, 135962), (1570, 128168), (1732, 116180), (2165, 92944), (2512, 80105), (2960, 67981), (3140, 64084), (3464, 58090), (4330, 46472), (5809, 34640), (6280, 32042), (6928, 29045), (8660, 23236), (11618, 17320), (12560, 16021)]