389665600

素因数分解:

$2^6\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1019}}^1$

素因数の和:1280

約数の個数: 84

約数和(自身を含む): 963777600

約数和(自身を除く): 574112000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 239, 320, 400, 478, 800, 956, 1019, 1195, 1600, 1912, 2038, 2390, 3824, 4076, 4780, 5095, 5975, 7648, 8152, 9560, 10190, 11950, 15296, 16304, 19120, 20380, 23900, 25475, 32608, 38240, 40760, 47800, 50950, 65216, 76480, 81520, 95600, 101900, 163040, 191200, 203800, 243541, 326080, 382400, 407600, 487082, 815200, 974164, 1217705, 1630400, 1948328, 2435410, 3896656, 4870820, 6088525, 7793312, 9741640, 12177050, 15586624, 19483280, 24354100, 38966560, 48708200, 77933120, 97416400, 194832800, 389665600]

約数ペア:

[(1, 389665600), (2, 194832800), (4, 97416400), (5, 77933120), (8, 48708200), (10, 38966560), (16, 24354100), (20, 19483280), (25, 15586624), (32, 12177050), (40, 9741640), (50, 7793312), (64, 6088525), (80, 4870820), (100, 3896656), (160, 2435410), (200, 1948328), (239, 1630400), (320, 1217705), (400, 974164), (478, 815200), (800, 487082), (956, 407600), (1019, 382400), (1195, 326080), (1600, 243541), (1912, 203800), (2038, 191200), (2390, 163040), (3824, 101900), (4076, 95600), (4780, 81520), (5095, 76480), (5975, 65216), (7648, 50950), (8152, 47800), (9560, 40760), (10190, 38240), (11950, 32608), (15296, 25475), (16304, 23900), (19120, 20380)]