489674920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{5011}}^1$

素因数の和:5378

約数の個数: 64

約数和(自身を含む): 1263024000

約数和(自身を除く): 773349080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 1396, 1745, 2443, 2792, 3490, 4886, 5011, 6980, 9772, 10022, 12215, 13960, 19544, 20044, 24430, 25055, 35077, 40088, 48860, 50110, 70154, 97720, 100220, 140308, 175385, 200440, 280616, 350770, 701540, 1403080, 1748839, 3497678, 6995356, 8744195, 12241873, 13990712, 17488390, 24483746, 34976780, 48967492, 61209365, 69953560, 97934984, 122418730, 244837460, 489674920]

約数ペア:

[(1, 489674920), (2, 244837460), (4, 122418730), (5, 97934984), (7, 69953560), (8, 61209365), (10, 48967492), (14, 34976780), (20, 24483746), (28, 17488390), (35, 13990712), (40, 12241873), (56, 8744195), (70, 6995356), (140, 3497678), (280, 1748839), (349, 1403080), (698, 701540), (1396, 350770), (1745, 280616), (2443, 200440), (2792, 175385), (3490, 140308), (4886, 100220), (5011, 97720), (6980, 70154), (9772, 50110), (10022, 48860), (12215, 40088), (13960, 35077), (19544, 25055), (20044, 24430)]