199824640

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1459}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 483446880

約数和(自身を除く): 283622240

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, 1459, 1712, 2140, 2918, 3424, 4280, 5836, 6848, 7295, 8560, 11672, 13696, 14590, 17120, 23344, 27392, 29180, 34240, 46688, 58360, 68480, 93376, 116720, 136960, 156113, 186752, 233440, 312226, 373504, 466880, 624452, 780565, 933760, 1248904, 1561130, 1867520, 2497808, 3122260, 4995616, 6244520, 9991232, 12489040, 19982464, 24978080, 39964928, 49956160, 99912320, 199824640]

約数ペア:

[(1, 199824640), (2, 99912320), (4, 49956160), (5, 39964928), (8, 24978080), (10, 19982464), (16, 12489040), (20, 9991232), (32, 6244520), (40, 4995616), (64, 3122260), (80, 2497808), (107, 1867520), (128, 1561130), (160, 1248904), (214, 933760), (256, 780565), (320, 624452), (428, 466880), (535, 373504), (640, 312226), (856, 233440), (1070, 186752), (1280, 156113), (1459, 136960), (1712, 116720), (2140, 93376), (2918, 68480), (3424, 58360), (4280, 46688), (5836, 34240), (6848, 29180), (7295, 27392), (8560, 23344), (11672, 17120), (13696, 14590)]