291267880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{1301}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 681987600

約数和(自身を除く): 390719720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 193, 232, 290, 386, 580, 772, 965, 1160, 1301, 1544, 1930, 2602, 3860, 5204, 5597, 6505, 7720, 10408, 11194, 13010, 22388, 26020, 27985, 37729, 44776, 52040, 55970, 75458, 111940, 150916, 188645, 223880, 251093, 301832, 377290, 502186, 754580, 1004372, 1255465, 1509160, 2008744, 2510930, 5021860, 7281697, 10043720, 14563394, 29126788, 36408485, 58253576, 72816970, 145633940, 291267880]

約数ペア:

[(1, 291267880), (2, 145633940), (4, 72816970), (5, 58253576), (8, 36408485), (10, 29126788), (20, 14563394), (29, 10043720), (40, 7281697), (58, 5021860), (116, 2510930), (145, 2008744), (193, 1509160), (232, 1255465), (290, 1004372), (386, 754580), (580, 502186), (772, 377290), (965, 301832), (1160, 251093), (1301, 223880), (1544, 188645), (1930, 150916), (2602, 111940), (3860, 75458), (5204, 55970), (5597, 52040), (6505, 44776), (7720, 37729), (10408, 27985), (11194, 26020), (13010, 22388)]