188810000

素因数分解:

$2^4\times 5^4\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 100

約数和(自身を含む): 464851200

約数和(自身を除く): 276041200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 239, 250, 316, 395, 400, 478, 500, 625, 632, 790, 956, 1000, 1195, 1250, 1264, 1580, 1912, 1975, 2000, 2390, 2500, 3160, 3824, 3950, 4780, 5000, 5975, 6320, 7900, 9560, 9875, 10000, 11950, 15800, 18881, 19120, 19750, 23900, 29875, 31600, 37762, 39500, 47800, 49375, 59750, 75524, 79000, 94405, 95600, 98750, 119500, 149375, 151048, 158000, 188810, 197500, 239000, 298750, 302096, 377620, 395000, 472025, 478000, 597500, 755240, 790000, 944050, 1195000, 1510480, 1888100, 2360125, 2390000, 3776200, 4720250, 7552400, 9440500, 11800625, 18881000, 23601250, 37762000, 47202500, 94405000, 188810000]

約数ペア:

[(1, 188810000), (2, 94405000), (4, 47202500), (5, 37762000), (8, 23601250), (10, 18881000), (16, 11800625), (20, 9440500), (25, 7552400), (40, 4720250), (50, 3776200), (79, 2390000), (80, 2360125), (100, 1888100), (125, 1510480), (158, 1195000), (200, 944050), (239, 790000), (250, 755240), (316, 597500), (395, 478000), (400, 472025), (478, 395000), (500, 377620), (625, 302096), (632, 298750), (790, 239000), (956, 197500), (1000, 188810), (1195, 158000), (1250, 151048), (1264, 149375), (1580, 119500), (1912, 98750), (1975, 95600), (2000, 94405), (2390, 79000), (2500, 75524), (3160, 59750), (3824, 49375), (3950, 47800), (4780, 39500), (5000, 37762), (5975, 31600), (6320, 29875), (7900, 23900), (9560, 19750), (9875, 19120), (10000, 18881), (11950, 15800)]