212131010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12269}}^1$

素因数の和:12315

約数の個数: 64

約数和(自身を含む): 494726400

約数和(自身を除く): 282595390

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 12269, 17290, 24538, 61345, 85883, 122690, 159497, 171766, 233111, 318994, 429415, 466222, 797485, 858830, 1116479, 1165555, 1594970, 1631777, 2232958, 2331110, 3030443, 3263554, 5582395, 6060886, 8158885, 11164790, 15152215, 16317770, 21213101, 30304430, 42426202, 106065505, 212131010]

約数ペア:

[(1, 212131010), (2, 106065505), (5, 42426202), (7, 30304430), (10, 21213101), (13, 16317770), (14, 15152215), (19, 11164790), (26, 8158885), (35, 6060886), (38, 5582395), (65, 3263554), (70, 3030443), (91, 2331110), (95, 2232958), (130, 1631777), (133, 1594970), (182, 1165555), (190, 1116479), (247, 858830), (266, 797485), (455, 466222), (494, 429415), (665, 318994), (910, 233111), (1235, 171766), (1330, 159497), (1729, 122690), (2470, 85883), (3458, 61345), (8645, 24538), (12269, 17290)]