512008400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 1282727424

約数和(自身を除く): 770719024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 157, 200, 248, 263, 310, 314, 400, 496, 526, 620, 628, 775, 785, 1052, 1240, 1256, 1315, 1550, 1570, 2104, 2480, 2512, 2630, 3100, 3140, 3925, 4208, 4867, 5260, 6200, 6280, 6575, 7850, 8153, 9734, 10520, 12400, 12560, 13150, 15700, 16306, 19468, 21040, 24335, 26300, 31400, 32612, 38936, 40765, 41291, 48670, 52600, 62800, 65224, 77872, 81530, 82582, 97340, 105200, 121675, 130448, 163060, 165164, 194680, 203825, 206455, 243350, 326120, 330328, 389360, 407650, 412910, 486700, 652240, 660656, 815300, 825820, 973400, 1032275, 1280021, 1630600, 1651640, 1946800, 2064550, 2560042, 3261200, 3303280, 4129100, 5120084, 6400105, 8258200, 10240168, 12800210, 16516400, 20480336, 25600420, 32000525, 51200840, 64001050, 102401680, 128002100, 256004200, 512008400]

約数ペア:

[(1, 512008400), (2, 256004200), (4, 128002100), (5, 102401680), (8, 64001050), (10, 51200840), (16, 32000525), (20, 25600420), (25, 20480336), (31, 16516400), (40, 12800210), (50, 10240168), (62, 8258200), (80, 6400105), (100, 5120084), (124, 4129100), (155, 3303280), (157, 3261200), (200, 2560042), (248, 2064550), (263, 1946800), (310, 1651640), (314, 1630600), (400, 1280021), (496, 1032275), (526, 973400), (620, 825820), (628, 815300), (775, 660656), (785, 652240), (1052, 486700), (1240, 412910), (1256, 407650), (1315, 389360), (1550, 330328), (1570, 326120), (2104, 243350), (2480, 206455), (2512, 203825), (2630, 194680), (3100, 165164), (3140, 163060), (3925, 130448), (4208, 121675), (4867, 105200), (5260, 97340), (6200, 82582), (6280, 81530), (6575, 77872), (7850, 65224), (8153, 62800), (9734, 52600), (10520, 48670), (12400, 41291), (12560, 40765), (13150, 38936), (15700, 32612), (16306, 31400), (19468, 26300), (21040, 24335)]