262893020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 620551680

約数和(自身を除く): 357658660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 193, 260, 310, 338, 386, 403, 620, 676, 772, 806, 845, 965, 1612, 1690, 1930, 2015, 2197, 2509, 3380, 3860, 4030, 4394, 5018, 5239, 5983, 8060, 8788, 10036, 10478, 10985, 11966, 12545, 20956, 21970, 23932, 25090, 26195, 29915, 32617, 43940, 50180, 52390, 59830, 65234, 68107, 77779, 104780, 119660, 130468, 136214, 155558, 163085, 272428, 311116, 326170, 340535, 388895, 424021, 652340, 681070, 777790, 848042, 1011127, 1362140, 1555580, 1696084, 2022254, 2120105, 4044508, 4240210, 5055635, 8480420, 10111270, 13144651, 20222540, 26289302, 52578604, 65723255, 131446510, 262893020]

約数ペア:

[(1, 262893020), (2, 131446510), (4, 65723255), (5, 52578604), (10, 26289302), (13, 20222540), (20, 13144651), (26, 10111270), (31, 8480420), (52, 5055635), (62, 4240210), (65, 4044508), (124, 2120105), (130, 2022254), (155, 1696084), (169, 1555580), (193, 1362140), (260, 1011127), (310, 848042), (338, 777790), (386, 681070), (403, 652340), (620, 424021), (676, 388895), (772, 340535), (806, 326170), (845, 311116), (965, 272428), (1612, 163085), (1690, 155558), (1930, 136214), (2015, 130468), (2197, 119660), (2509, 104780), (3380, 77779), (3860, 68107), (4030, 65234), (4394, 59830), (5018, 52390), (5239, 50180), (5983, 43940), (8060, 32617), (8788, 29915), (10036, 26195), (10478, 25090), (10985, 23932), (11966, 21970), (12545, 20956)]