263900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 729120

約数和(自身を除く): 465220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 116, 130, 140, 145, 175, 182, 203, 260, 290, 325, 350, 364, 377, 406, 455, 580, 650, 700, 725, 754, 812, 910, 1015, 1300, 1450, 1508, 1820, 1885, 2030, 2275, 2639, 2900, 3770, 4060, 4550, 5075, 5278, 7540, 9100, 9425, 10150, 10556, 13195, 18850, 20300, 26390, 37700, 52780, 65975, 131950, 263900]

約数ペア:

[(1, 263900), (2, 131950), (4, 65975), (5, 52780), (7, 37700), (10, 26390), (13, 20300), (14, 18850), (20, 13195), (25, 10556), (26, 10150), (28, 9425), (29, 9100), (35, 7540), (50, 5278), (52, 5075), (58, 4550), (65, 4060), (70, 3770), (91, 2900), (100, 2639), (116, 2275), (130, 2030), (140, 1885), (145, 1820), (175, 1508), (182, 1450), (203, 1300), (260, 1015), (290, 910), (325, 812), (350, 754), (364, 725), (377, 700), (406, 650), (455, 580)]