199240720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 571392000

約数和(自身を除く): 372151280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 499, 560, 620, 644, 713, 805, 868, 920, 998, 1085, 1240, 1288, 1426, 1610, 1736, 1840, 1996, 2170, 2480, 2495, 2576, 2852, 3220, 3472, 3493, 3565, 3992, 4340, 4990, 4991, 5704, 6440, 6986, 7130, 7984, 8680, 9980, 9982, 11408, 11477, 12880, 13972, 14260, 15469, 17360, 17465, 19960, 19964, 22954, 24955, 27944, 28520, 30938, 34930, 39920, 39928, 45908, 49910, 55888, 57040, 57385, 61876, 69860, 77345, 79856, 80339, 91816, 99820, 108283, 114770, 123752, 139720, 154690, 160678, 183632, 199640, 216566, 229540, 247504, 279440, 309380, 321356, 355787, 399280, 401695, 433132, 459080, 541415, 618760, 642712, 711574, 803390, 866264, 918160, 1082830, 1237520, 1285424, 1423148, 1606780, 1732528, 1778935, 2165660, 2490509, 2846296, 3213560, 3557870, 4331320, 4981018, 5692592, 6427120, 7115740, 8662640, 9962036, 12452545, 14231480, 19924072, 24905090, 28462960, 39848144, 49810180, 99620360, 199240720]

約数ペア:

[(1, 199240720), (2, 99620360), (4, 49810180), (5, 39848144), (7, 28462960), (8, 24905090), (10, 19924072), (14, 14231480), (16, 12452545), (20, 9962036), (23, 8662640), (28, 7115740), (31, 6427120), (35, 5692592), (40, 4981018), (46, 4331320), (56, 3557870), (62, 3213560), (70, 2846296), (80, 2490509), (92, 2165660), (112, 1778935), (115, 1732528), (124, 1606780), (140, 1423148), (155, 1285424), (161, 1237520), (184, 1082830), (217, 918160), (230, 866264), (248, 803390), (280, 711574), (310, 642712), (322, 618760), (368, 541415), (434, 459080), (460, 433132), (496, 401695), (499, 399280), (560, 355787), (620, 321356), (644, 309380), (713, 279440), (805, 247504), (868, 229540), (920, 216566), (998, 199640), (1085, 183632), (1240, 160678), (1288, 154690), (1426, 139720), (1610, 123752), (1736, 114770), (1840, 108283), (1996, 99820), (2170, 91816), (2480, 80339), (2495, 79856), (2576, 77345), (2852, 69860), (3220, 61876), (3472, 57385), (3493, 57040), (3565, 55888), (3992, 49910), (4340, 45908), (4990, 39928), (4991, 39920), (5704, 34930), (6440, 30938), (6986, 28520), (7130, 27944), (7984, 24955), (8680, 22954), (9980, 19964), (9982, 19960), (11408, 17465), (11477, 17360), (12880, 15469), (13972, 14260)]