204538960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 500075136

約数和(自身を除く): 295536176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 688, 740, 860, 1480, 1591, 1607, 1720, 2960, 3182, 3214, 3440, 6364, 6428, 7955, 8035, 12728, 12856, 15910, 16070, 25456, 25712, 31820, 32140, 59459, 63640, 64280, 69101, 118918, 127280, 128560, 138202, 237836, 276404, 297295, 345505, 475672, 552808, 594590, 691010, 951344, 1105616, 1189180, 1382020, 2378360, 2556737, 2764040, 4756720, 5113474, 5528080, 10226948, 12783685, 20453896, 25567370, 40907792, 51134740, 102269480, 204538960]

約数ペア:

[(1, 204538960), (2, 102269480), (4, 51134740), (5, 40907792), (8, 25567370), (10, 20453896), (16, 12783685), (20, 10226948), (37, 5528080), (40, 5113474), (43, 4756720), (74, 2764040), (80, 2556737), (86, 2378360), (148, 1382020), (172, 1189180), (185, 1105616), (215, 951344), (296, 691010), (344, 594590), (370, 552808), (430, 475672), (592, 345505), (688, 297295), (740, 276404), (860, 237836), (1480, 138202), (1591, 128560), (1607, 127280), (1720, 118918), (2960, 69101), (3182, 64280), (3214, 63640), (3440, 59459), (6364, 32140), (6428, 31820), (7955, 25712), (8035, 25456), (12728, 16070), (12856, 15910)]