221723240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{4049}}^1$

素因数の和:4134

約数の個数: 48

約数和(自身を含む): 512851500

約数和(自身を除く): 291128260

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1369, 1480, 2738, 4049, 5476, 6845, 8098, 10952, 13690, 16196, 20245, 27380, 32392, 40490, 54760, 80980, 149813, 161960, 299626, 599252, 749065, 1198504, 1498130, 2996260, 5543081, 5992520, 11086162, 22172324, 27715405, 44344648, 55430810, 110861620, 221723240]

約数ペア:

[(1, 221723240), (2, 110861620), (4, 55430810), (5, 44344648), (8, 27715405), (10, 22172324), (20, 11086162), (37, 5992520), (40, 5543081), (74, 2996260), (148, 1498130), (185, 1198504), (296, 749065), (370, 599252), (740, 299626), (1369, 161960), (1480, 149813), (2738, 80980), (4049, 54760), (5476, 40490), (6845, 32392), (8098, 27380), (10952, 20245), (13690, 16196)]