201418400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3286

約数の個数: 72

約数和(自身を含む): 498093120

約数和(自身を除く): 296674720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3187, 3950, 6320, 6374, 7900, 12640, 12748, 15800, 15935, 25496, 31600, 31870, 50992, 63200, 63740, 79675, 101984, 127480, 159350, 251773, 254960, 318700, 503546, 509920, 637400, 1007092, 1258865, 1274800, 2014184, 2517730, 2549600, 4028368, 5035460, 6294325, 8056736, 10070920, 12588650, 20141840, 25177300, 40283680, 50354600, 100709200, 201418400]

約数ペア:

[(1, 201418400), (2, 100709200), (4, 50354600), (5, 40283680), (8, 25177300), (10, 20141840), (16, 12588650), (20, 10070920), (25, 8056736), (32, 6294325), (40, 5035460), (50, 4028368), (79, 2549600), (80, 2517730), (100, 2014184), (158, 1274800), (160, 1258865), (200, 1007092), (316, 637400), (395, 509920), (400, 503546), (632, 318700), (790, 254960), (800, 251773), (1264, 159350), (1580, 127480), (1975, 101984), (2528, 79675), (3160, 63740), (3187, 63200), (3950, 50992), (6320, 31870), (6374, 31600), (7900, 25496), (12640, 15935), (12748, 15800)]