201969280

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 508939200

約数和(自身を除く): 306969920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 64, 80, 82, 86, 128, 160, 164, 172, 179, 205, 215, 320, 328, 344, 358, 410, 430, 640, 656, 688, 716, 820, 860, 895, 1312, 1376, 1432, 1640, 1720, 1763, 1790, 2624, 2752, 2864, 3280, 3440, 3526, 3580, 5248, 5504, 5728, 6560, 6880, 7052, 7160, 7339, 7697, 8815, 11456, 13120, 13760, 14104, 14320, 14678, 15394, 17630, 22912, 26240, 27520, 28208, 28640, 29356, 30788, 35260, 36695, 38485, 56416, 57280, 58712, 61576, 70520, 73390, 76970, 112832, 114560, 117424, 123152, 141040, 146780, 153940, 225664, 234848, 246304, 282080, 293560, 307880, 315577, 469696, 492608, 564160, 587120, 615760, 631154, 939392, 985216, 1128320, 1174240, 1231520, 1262308, 1577885, 2348480, 2463040, 2524616, 3155770, 4696960, 4926080, 5049232, 6311540, 10098464, 12623080, 20196928, 25246160, 40393856, 50492320, 100984640, 201969280]

約数ペア:

[(1, 201969280), (2, 100984640), (4, 50492320), (5, 40393856), (8, 25246160), (10, 20196928), (16, 12623080), (20, 10098464), (32, 6311540), (40, 5049232), (41, 4926080), (43, 4696960), (64, 3155770), (80, 2524616), (82, 2463040), (86, 2348480), (128, 1577885), (160, 1262308), (164, 1231520), (172, 1174240), (179, 1128320), (205, 985216), (215, 939392), (320, 631154), (328, 615760), (344, 587120), (358, 564160), (410, 492608), (430, 469696), (640, 315577), (656, 307880), (688, 293560), (716, 282080), (820, 246304), (860, 234848), (895, 225664), (1312, 153940), (1376, 146780), (1432, 141040), (1640, 123152), (1720, 117424), (1763, 114560), (1790, 112832), (2624, 76970), (2752, 73390), (2864, 70520), (3280, 61576), (3440, 58712), (3526, 57280), (3580, 56416), (5248, 38485), (5504, 36695), (5728, 35260), (6560, 30788), (6880, 29356), (7052, 28640), (7160, 28208), (7339, 27520), (7697, 26240), (8815, 22912), (11456, 17630), (13120, 15394), (13760, 14678), (14104, 14320)]