28422100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 74231360

約数和(自身を除く): 45809260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2137, 2660, 3325, 4274, 6650, 8548, 10685, 13300, 14959, 21370, 29918, 40603, 42740, 53425, 59836, 74795, 81206, 106850, 149590, 162412, 203015, 213700, 284221, 299180, 373975, 406030, 568442, 747950, 812060, 1015075, 1136884, 1421105, 1495900, 2030150, 2842210, 4060300, 5684420, 7105525, 14211050, 28422100]

約数ペア:

[(1, 28422100), (2, 14211050), (4, 7105525), (5, 5684420), (7, 4060300), (10, 2842210), (14, 2030150), (19, 1495900), (20, 1421105), (25, 1136884), (28, 1015075), (35, 812060), (38, 747950), (50, 568442), (70, 406030), (76, 373975), (95, 299180), (100, 284221), (133, 213700), (140, 203015), (175, 162412), (190, 149590), (266, 106850), (350, 81206), (380, 74795), (475, 59836), (532, 53425), (665, 42740), (700, 40603), (950, 29918), (1330, 21370), (1900, 14959), (2137, 13300), (2660, 10685), (3325, 8548), (4274, 6650)]