290436320

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3697}}^1$

素因数の和:4203

約数の個数: 48

約数和(自身を含む): 687739248

約数和(自身を除く): 397302928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1964, 2455, 3697, 3928, 4910, 7394, 7856, 9820, 14788, 15712, 18485, 19640, 29576, 36970, 39280, 59152, 73940, 78560, 118304, 147880, 295760, 591520, 1815227, 3630454, 7260908, 9076135, 14521816, 18152270, 29043632, 36304540, 58087264, 72609080, 145218160, 290436320]

約数ペア:

[(1, 290436320), (2, 145218160), (4, 72609080), (5, 58087264), (8, 36304540), (10, 29043632), (16, 18152270), (20, 14521816), (32, 9076135), (40, 7260908), (80, 3630454), (160, 1815227), (491, 591520), (982, 295760), (1964, 147880), (2455, 118304), (3697, 78560), (3928, 73940), (4910, 59152), (7394, 39280), (7856, 36970), (9820, 29576), (14788, 19640), (15712, 18485)]