211565570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{1373}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 401647680

約数和(自身を除く): 190082110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 811, 1373, 1622, 2746, 4055, 6865, 8110, 13730, 15409, 26087, 30818, 52174, 77045, 130435, 154090, 260870, 1113503, 2227006, 5567515, 11135030, 21156557, 42313114, 105782785, 211565570]

約数ペア:

[(1, 211565570), (2, 105782785), (5, 42313114), (10, 21156557), (19, 11135030), (38, 5567515), (95, 2227006), (190, 1113503), (811, 260870), (1373, 154090), (1622, 130435), (2746, 77045), (4055, 52174), (6865, 30818), (8110, 26087), (13730, 15409)]