7789400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 20088000

約数和(自身を除く): 12298600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 29, 34, 40, 50, 58, 68, 79, 85, 100, 116, 136, 145, 158, 170, 200, 232, 290, 316, 340, 395, 425, 493, 580, 632, 680, 725, 790, 850, 986, 1160, 1343, 1450, 1580, 1700, 1972, 1975, 2291, 2465, 2686, 2900, 3160, 3400, 3944, 3950, 4582, 4930, 5372, 5800, 6715, 7900, 9164, 9860, 10744, 11455, 12325, 13430, 15800, 18328, 19720, 22910, 24650, 26860, 33575, 38947, 45820, 49300, 53720, 57275, 67150, 77894, 91640, 98600, 114550, 134300, 155788, 194735, 229100, 268600, 311576, 389470, 458200, 778940, 973675, 1557880, 1947350, 3894700, 7789400]

約数ペア:

[(1, 7789400), (2, 3894700), (4, 1947350), (5, 1557880), (8, 973675), (10, 778940), (17, 458200), (20, 389470), (25, 311576), (29, 268600), (34, 229100), (40, 194735), (50, 155788), (58, 134300), (68, 114550), (79, 98600), (85, 91640), (100, 77894), (116, 67150), (136, 57275), (145, 53720), (158, 49300), (170, 45820), (200, 38947), (232, 33575), (290, 26860), (316, 24650), (340, 22910), (395, 19720), (425, 18328), (493, 15800), (580, 13430), (632, 12325), (680, 11455), (725, 10744), (790, 9860), (850, 9164), (986, 7900), (1160, 6715), (1343, 5800), (1450, 5372), (1580, 4930), (1700, 4582), (1972, 3950), (1975, 3944), (2291, 3400), (2465, 3160), (2686, 2900)]