200858280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 691476480

約数和(自身を除く): 490618200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 491, 840, 974, 982, 1461, 1473, 1948, 1964, 2435, 2455, 2922, 2946, 3409, 3437, 3896, 3928, 4870, 4910, 5844, 5892, 6818, 6874, 7305, 7365, 9740, 9820, 10227, 10311, 11688, 11784, 13636, 13748, 14610, 14730, 17045, 17185, 19480, 19640, 20454, 20622, 27272, 27496, 29220, 29460, 34090, 34370, 40908, 41244, 51135, 51555, 58440, 58920, 68180, 68740, 81816, 82488, 102270, 103110, 136360, 137480, 204540, 206220, 239117, 409080, 412440, 478234, 717351, 956468, 1195585, 1434702, 1673819, 1912936, 2391170, 2869404, 3347638, 3586755, 4782340, 5021457, 5738808, 6695276, 7173510, 8369095, 9564680, 10042914, 13390552, 14347020, 16738190, 20085828, 25107285, 28694040, 33476380, 40171656, 50214570, 66952760, 100429140, 200858280]

約数ペア:

[(1, 200858280), (2, 100429140), (3, 66952760), (4, 50214570), (5, 40171656), (6, 33476380), (7, 28694040), (8, 25107285), (10, 20085828), (12, 16738190), (14, 14347020), (15, 13390552), (20, 10042914), (21, 9564680), (24, 8369095), (28, 7173510), (30, 6695276), (35, 5738808), (40, 5021457), (42, 4782340), (56, 3586755), (60, 3347638), (70, 2869404), (84, 2391170), (105, 1912936), (120, 1673819), (140, 1434702), (168, 1195585), (210, 956468), (280, 717351), (420, 478234), (487, 412440), (491, 409080), (840, 239117), (974, 206220), (982, 204540), (1461, 137480), (1473, 136360), (1948, 103110), (1964, 102270), (2435, 82488), (2455, 81816), (2922, 68740), (2946, 68180), (3409, 58920), (3437, 58440), (3896, 51555), (3928, 51135), (4870, 41244), (4910, 40908), (5844, 34370), (5892, 34090), (6818, 29460), (6874, 29220), (7305, 27496), (7365, 27272), (9740, 20622), (9820, 20454), (10227, 19640), (10311, 19480), (11688, 17185), (11784, 17045), (13636, 14730), (13748, 14610)]