1389214910

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1\times {\mathrm{3037}}^1$

素因数の和:3500

約数の個数: 32

約数和(自身を含む): 2526400800

約数和(自身を除く): 1137185890

約数列:

[1, 2, 5, 10, 149, 298, 307, 614, 745, 1490, 1535, 3037, 3070, 6074, 15185, 30370, 45743, 91486, 228715, 452513, 457430, 905026, 932359, 1864718, 2262565, 4525130, 4661795, 9323590, 138921491, 277842982, 694607455, 1389214910]

約数ペア:

[(1, 1389214910), (2, 694607455), (5, 277842982), (10, 138921491), (149, 9323590), (298, 4661795), (307, 4525130), (614, 2262565), (745, 1864718), (1490, 932359), (1535, 905026), (3037, 457430), (3070, 452513), (6074, 228715), (15185, 91486), (30370, 45743)]