199105360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:832

約数の個数: 80

約数和(自身を含む): 492838992

約数和(自身を除く): 293733632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 281, 340, 521, 562, 680, 1042, 1124, 1360, 1405, 2084, 2248, 2605, 2810, 4168, 4496, 4777, 5210, 5620, 8336, 8857, 9554, 10420, 11240, 17714, 19108, 20840, 22480, 23885, 35428, 38216, 41680, 44285, 47770, 70856, 76432, 88570, 95540, 141712, 146401, 177140, 191080, 292802, 354280, 382160, 585604, 708560, 732005, 1171208, 1464010, 2342416, 2488817, 2928020, 4977634, 5856040, 9955268, 11712080, 12444085, 19910536, 24888170, 39821072, 49776340, 99552680, 199105360]

約数ペア:

[(1, 199105360), (2, 99552680), (4, 49776340), (5, 39821072), (8, 24888170), (10, 19910536), (16, 12444085), (17, 11712080), (20, 9955268), (34, 5856040), (40, 4977634), (68, 2928020), (80, 2488817), (85, 2342416), (136, 1464010), (170, 1171208), (272, 732005), (281, 708560), (340, 585604), (521, 382160), (562, 354280), (680, 292802), (1042, 191080), (1124, 177140), (1360, 146401), (1405, 141712), (2084, 95540), (2248, 88570), (2605, 76432), (2810, 70856), (4168, 47770), (4496, 44285), (4777, 41680), (5210, 38216), (5620, 35428), (8336, 23885), (8857, 22480), (9554, 20840), (10420, 19108), (11240, 17714)]