172721220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{411241}}^1$

素因数の和:411260

約数の個数: 48

約数和(自身を含む): 552709248

約数和(自身を除く): 379988028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 411241, 822482, 1233723, 1644964, 2056205, 2467446, 2878687, 4112410, 4934892, 5757374, 6168615, 8224820, 8636061, 11514748, 12337230, 14393435, 17272122, 24674460, 28786870, 34544244, 43180305, 57573740, 86360610, 172721220]

約数ペア:

[(1, 172721220), (2, 86360610), (3, 57573740), (4, 43180305), (5, 34544244), (6, 28786870), (7, 24674460), (10, 17272122), (12, 14393435), (14, 12337230), (15, 11514748), (20, 8636061), (21, 8224820), (28, 6168615), (30, 5757374), (35, 4934892), (42, 4112410), (60, 2878687), (70, 2467446), (84, 2056205), (105, 1644964), (140, 1233723), (210, 822482), (420, 411241)]