521058020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{3833}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 1252153728

約数和(自身を除く): 731095708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1942, 3833, 3884, 4855, 6797, 7666, 9710, 13594, 15332, 19165, 19420, 26831, 27188, 33985, 38330, 53662, 67970, 76660, 107324, 134155, 135940, 268310, 536620, 3721843, 7443686, 14887372, 18609215, 26052901, 37218430, 52105802, 74436860, 104211604, 130264505, 260529010, 521058020]

約数ペア:

[(1, 521058020), (2, 260529010), (4, 130264505), (5, 104211604), (7, 74436860), (10, 52105802), (14, 37218430), (20, 26052901), (28, 18609215), (35, 14887372), (70, 7443686), (140, 3721843), (971, 536620), (1942, 268310), (3833, 135940), (3884, 134155), (4855, 107324), (6797, 76660), (7666, 67970), (9710, 53662), (13594, 38330), (15332, 33985), (19165, 27188), (19420, 26831)]