235961980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1583}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 514926720

約数和(自身を除く): 278964740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 580, 1028, 1285, 1583, 2570, 3166, 5140, 6332, 7453, 7915, 14906, 15830, 29812, 31660, 37265, 45907, 74530, 91814, 149060, 183628, 229535, 406831, 459070, 813662, 918140, 1627324, 2034155, 4068310, 8136620, 11798099, 23596198, 47192396, 58990495, 117980990, 235961980]

約数ペア:

[(1, 235961980), (2, 117980990), (4, 58990495), (5, 47192396), (10, 23596198), (20, 11798099), (29, 8136620), (58, 4068310), (116, 2034155), (145, 1627324), (257, 918140), (290, 813662), (514, 459070), (580, 406831), (1028, 229535), (1285, 183628), (1583, 149060), (2570, 91814), (3166, 74530), (5140, 45907), (6332, 37265), (7453, 31660), (7915, 29812), (14906, 15830)]