221567470

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{4019}}^1$

素因数の和:4212

約数の個数: 32

約数和(自身を含む): 412452000

約数和(自身を除く): 190884530

約数列:

[1, 2, 5, 10, 37, 74, 149, 185, 298, 370, 745, 1490, 4019, 5513, 8038, 11026, 20095, 27565, 40190, 55130, 148703, 297406, 598831, 743515, 1197662, 1487030, 2994155, 5988310, 22156747, 44313494, 110783735, 221567470]

約数ペア:

[(1, 221567470), (2, 110783735), (5, 44313494), (10, 22156747), (37, 5988310), (74, 2994155), (149, 1487030), (185, 1197662), (298, 743515), (370, 598831), (745, 297406), (1490, 148703), (4019, 55130), (5513, 40190), (8038, 27565), (11026, 20095)]