210925156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 432266240

約数和(自身を除く): 221341084

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 127, 164, 247, 254, 494, 508, 533, 779, 988, 1066, 1558, 1651, 1681, 2132, 2413, 3116, 3302, 3362, 4826, 5207, 6604, 6724, 9652, 10127, 10414, 20254, 20828, 21853, 31369, 31939, 40508, 43706, 62738, 63878, 67691, 87412, 98933, 125476, 127756, 135382, 197866, 213487, 270764, 395732, 415207, 426974, 830414, 853948, 1286129, 1660828, 2572258, 2775331, 4056253, 5144516, 5550662, 8112506, 11101324, 16225012, 52731289, 105462578, 210925156]

約数ペア:

[(1, 210925156), (2, 105462578), (4, 52731289), (13, 16225012), (19, 11101324), (26, 8112506), (38, 5550662), (41, 5144516), (52, 4056253), (76, 2775331), (82, 2572258), (127, 1660828), (164, 1286129), (247, 853948), (254, 830414), (494, 426974), (508, 415207), (533, 395732), (779, 270764), (988, 213487), (1066, 197866), (1558, 135382), (1651, 127756), (1681, 125476), (2132, 98933), (2413, 87412), (3116, 67691), (3302, 63878), (3362, 62738), (4826, 43706), (5207, 40508), (6604, 31939), (6724, 31369), (9652, 21853), (10127, 20828), (10414, 20254)]