69070820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37951}}^1$

素因数の和:37980

約数の個数: 48

約数和(自身を含む): 178526208

約数和(自身を除く): 109455388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 37951, 75902, 151804, 189755, 265657, 379510, 493363, 531314, 759020, 986726, 1062628, 1328285, 1973452, 2466815, 2656570, 3453541, 4933630, 5313140, 6907082, 9867260, 13814164, 17267705, 34535410, 69070820]

約数ペア:

[(1, 69070820), (2, 34535410), (4, 17267705), (5, 13814164), (7, 9867260), (10, 6907082), (13, 5313140), (14, 4933630), (20, 3453541), (26, 2656570), (28, 2466815), (35, 1973452), (52, 1328285), (65, 1062628), (70, 986726), (91, 759020), (130, 531314), (140, 493363), (182, 379510), (260, 265657), (364, 189755), (455, 151804), (910, 75902), (1820, 37951)]