245422970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{60899}}^1$

素因数の和:60950

約数の個数: 32

約数和(自身を含む): 491097600

約数和(自身を除く): 245674630

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 60899, 121798, 304495, 608990, 791687, 1583374, 1887869, 3775738, 3958435, 7916870, 9439345, 18878690, 24542297, 49084594, 122711485, 245422970]

約数ペア:

[(1, 245422970), (2, 122711485), (5, 49084594), (10, 24542297), (13, 18878690), (26, 9439345), (31, 7916870), (62, 3958435), (65, 3775738), (130, 1887869), (155, 1583374), (310, 791687), (403, 608990), (806, 304495), (2015, 121798), (4030, 60899)]