1425900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{97}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 4848648

約数和(自身を除く): 3422748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 97, 98, 100, 105, 140, 147, 150, 175, 194, 196, 210, 245, 291, 294, 300, 350, 388, 420, 485, 490, 525, 582, 588, 679, 700, 735, 970, 980, 1050, 1164, 1225, 1358, 1455, 1470, 1940, 2037, 2100, 2425, 2450, 2716, 2910, 2940, 3395, 3675, 4074, 4753, 4850, 4900, 5820, 6790, 7275, 7350, 8148, 9506, 9700, 10185, 13580, 14259, 14550, 14700, 16975, 19012, 20370, 23765, 28518, 29100, 33950, 40740, 47530, 50925, 57036, 67900, 71295, 95060, 101850, 118825, 142590, 203700, 237650, 285180, 356475, 475300, 712950, 1425900]

約数ペア:

[(1, 1425900), (2, 712950), (3, 475300), (4, 356475), (5, 285180), (6, 237650), (7, 203700), (10, 142590), (12, 118825), (14, 101850), (15, 95060), (20, 71295), (21, 67900), (25, 57036), (28, 50925), (30, 47530), (35, 40740), (42, 33950), (49, 29100), (50, 28518), (60, 23765), (70, 20370), (75, 19012), (84, 16975), (97, 14700), (98, 14550), (100, 14259), (105, 13580), (140, 10185), (147, 9700), (150, 9506), (175, 8148), (194, 7350), (196, 7275), (210, 6790), (245, 5820), (291, 4900), (294, 4850), (300, 4753), (350, 4074), (388, 3675), (420, 3395), (485, 2940), (490, 2910), (525, 2716), (582, 2450), (588, 2425), (679, 2100), (700, 2037), (735, 1940), (970, 1470), (980, 1455), (1050, 1358), (1164, 1225)]