209214970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7583}}^1$

素因数の和:7710

約数の個数: 32

約数和(自身を含む): 393154560

約数和(自身を除く): 183939590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 7583, 13795, 15166, 27590, 37915, 75830, 235073, 470146, 674887, 1175365, 1349774, 2350730, 3374435, 6748870, 20921497, 41842994, 104607485, 209214970]

約数ペア:

[(1, 209214970), (2, 104607485), (5, 41842994), (10, 20921497), (31, 6748870), (62, 3374435), (89, 2350730), (155, 1349774), (178, 1175365), (310, 674887), (445, 470146), (890, 235073), (2759, 75830), (5518, 37915), (7583, 27590), (13795, 15166)]