71967020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 84071380

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 859, 1180, 1420, 1718, 3436, 4189, 4295, 8378, 8590, 16756, 17180, 20945, 41890, 50681, 60989, 83780, 101362, 121978, 202724, 243956, 253405, 304945, 506810, 609890, 1013620, 1219780, 3598351, 7196702, 14393404, 17991755, 35983510, 71967020]

約数ペア:

[(1, 71967020), (2, 35983510), (4, 17991755), (5, 14393404), (10, 7196702), (20, 3598351), (59, 1219780), (71, 1013620), (118, 609890), (142, 506810), (236, 304945), (284, 253405), (295, 243956), (355, 202724), (590, 121978), (710, 101362), (859, 83780), (1180, 60989), (1420, 50681), (1718, 41890), (3436, 20945), (4189, 17180), (4295, 16756), (8378, 8590)]