285875740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 670602240

約数和(自身を除く): 384726500

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 139, 170, 230, 263, 278, 340, 391, 460, 526, 556, 695, 782, 1052, 1315, 1390, 1564, 1955, 2363, 2630, 2780, 3197, 3910, 4471, 4726, 5260, 6049, 6394, 7820, 8942, 9452, 11815, 12098, 12788, 15985, 17884, 22355, 23630, 24196, 30245, 31970, 36557, 44710, 47260, 54349, 60490, 63940, 73114, 89420, 102833, 108698, 120980, 146228, 182785, 205666, 217396, 271745, 365570, 411332, 514165, 543490, 621469, 731140, 840811, 1028330, 1086980, 1242938, 1681622, 2056660, 2485876, 3107345, 3363244, 4204055, 6214690, 8408110, 12429380, 14293787, 16816220, 28587574, 57175148, 71468935, 142937870, 285875740]

約数ペア:

[(1, 285875740), (2, 142937870), (4, 71468935), (5, 57175148), (10, 28587574), (17, 16816220), (20, 14293787), (23, 12429380), (34, 8408110), (46, 6214690), (68, 4204055), (85, 3363244), (92, 3107345), (115, 2485876), (139, 2056660), (170, 1681622), (230, 1242938), (263, 1086980), (278, 1028330), (340, 840811), (391, 731140), (460, 621469), (526, 543490), (556, 514165), (695, 411332), (782, 365570), (1052, 271745), (1315, 217396), (1390, 205666), (1564, 182785), (1955, 146228), (2363, 120980), (2630, 108698), (2780, 102833), (3197, 89420), (3910, 73114), (4471, 63940), (4726, 60490), (5260, 54349), (6049, 47260), (6394, 44710), (7820, 36557), (8942, 31970), (9452, 30245), (11815, 24196), (12098, 23630), (12788, 22355), (15985, 17884)]