470032780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{47287}}^1$

素因数の和:47374

約数の個数: 48

約数和(自身を含む): 1143991296

約数和(自身を除く): 673958516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 47287, 94574, 189148, 236435, 331009, 472870, 662018, 945740, 1324036, 1655045, 3310090, 3357377, 6620180, 6714754, 13429508, 16786885, 23501639, 33573770, 47003278, 67147540, 94006556, 117508195, 235016390, 470032780]

約数ペア:

[(1, 470032780), (2, 235016390), (4, 117508195), (5, 94006556), (7, 67147540), (10, 47003278), (14, 33573770), (20, 23501639), (28, 16786885), (35, 13429508), (70, 6714754), (71, 6620180), (140, 3357377), (142, 3310090), (284, 1655045), (355, 1324036), (497, 945740), (710, 662018), (994, 472870), (1420, 331009), (1988, 236435), (2485, 189148), (4970, 94574), (9940, 47287)]