203933440

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1617

約数の個数: 72

約数和(自身を含む): 493380720

約数和(自身を除く): 289447280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 535, 640, 856, 1070, 1280, 1489, 1712, 2140, 2978, 3424, 4280, 5956, 6848, 7445, 8560, 11912, 13696, 14890, 17120, 23824, 27392, 29780, 34240, 47648, 59560, 68480, 95296, 119120, 136960, 159323, 190592, 238240, 318646, 381184, 476480, 637292, 796615, 952960, 1274584, 1593230, 1905920, 2549168, 3186460, 5098336, 6372920, 10196672, 12745840, 20393344, 25491680, 40786688, 50983360, 101966720, 203933440]

約数ペア:

[(1, 203933440), (2, 101966720), (4, 50983360), (5, 40786688), (8, 25491680), (10, 20393344), (16, 12745840), (20, 10196672), (32, 6372920), (40, 5098336), (64, 3186460), (80, 2549168), (107, 1905920), (128, 1593230), (160, 1274584), (214, 952960), (256, 796615), (320, 637292), (428, 476480), (535, 381184), (640, 318646), (856, 238240), (1070, 190592), (1280, 159323), (1489, 136960), (1712, 119120), (2140, 95296), (2978, 68480), (3424, 59560), (4280, 47648), (5956, 34240), (6848, 29780), (7445, 27392), (8560, 23824), (11912, 17120), (13696, 14890)]