189502720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 508318272

約数和(自身を除く): 318815552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 256, 313, 320, 344, 352, 430, 440, 473, 626, 640, 688, 704, 860, 880, 946, 1252, 1280, 1376, 1408, 1565, 1720, 1760, 1892, 2365, 2504, 2752, 2816, 3130, 3440, 3443, 3520, 3784, 4730, 5008, 5504, 6260, 6880, 6886, 7040, 7568, 9460, 10016, 11008, 12520, 13459, 13760, 13772, 14080, 15136, 17215, 18920, 20032, 25040, 26918, 27520, 27544, 30272, 34430, 37840, 40064, 50080, 53836, 55040, 55088, 60544, 67295, 68860, 75680, 80128, 100160, 107672, 110176, 121088, 134590, 137720, 148049, 151360, 200320, 215344, 220352, 269180, 275440, 296098, 302720, 400640, 430688, 440704, 538360, 550880, 592196, 605440, 740245, 861376, 881408, 1076720, 1101760, 1184392, 1480490, 1722752, 2153440, 2203520, 2368784, 2960980, 3445504, 4306880, 4407040, 4737568, 5921960, 8613760, 9475136, 11843920, 17227520, 18950272, 23687840, 37900544, 47375680, 94751360, 189502720]

約数ペア:

[(1, 189502720), (2, 94751360), (4, 47375680), (5, 37900544), (8, 23687840), (10, 18950272), (11, 17227520), (16, 11843920), (20, 9475136), (22, 8613760), (32, 5921960), (40, 4737568), (43, 4407040), (44, 4306880), (55, 3445504), (64, 2960980), (80, 2368784), (86, 2203520), (88, 2153440), (110, 1722752), (128, 1480490), (160, 1184392), (172, 1101760), (176, 1076720), (215, 881408), (220, 861376), (256, 740245), (313, 605440), (320, 592196), (344, 550880), (352, 538360), (430, 440704), (440, 430688), (473, 400640), (626, 302720), (640, 296098), (688, 275440), (704, 269180), (860, 220352), (880, 215344), (946, 200320), (1252, 151360), (1280, 148049), (1376, 137720), (1408, 134590), (1565, 121088), (1720, 110176), (1760, 107672), (1892, 100160), (2365, 80128), (2504, 75680), (2752, 68860), (2816, 67295), (3130, 60544), (3440, 55088), (3443, 55040), (3520, 53836), (3784, 50080), (4730, 40064), (5008, 37840), (5504, 34430), (6260, 30272), (6880, 27544), (6886, 27520), (7040, 26918), (7568, 25040), (9460, 20032), (10016, 18920), (11008, 17215), (12520, 15136), (13459, 14080), (13760, 13772)]