219945900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:904

約数の個数: 144

約数和(自身を含む): 684956160

約数和(自身を除く): 465010260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 47, 50, 57, 60, 75, 76, 94, 95, 100, 114, 141, 150, 188, 190, 228, 235, 282, 285, 300, 380, 470, 475, 564, 570, 705, 821, 893, 940, 950, 1140, 1175, 1410, 1425, 1642, 1786, 1900, 2350, 2463, 2679, 2820, 2850, 3284, 3525, 3572, 4105, 4465, 4700, 4926, 5358, 5700, 7050, 8210, 8930, 9852, 10716, 12315, 13395, 14100, 15599, 16420, 17860, 20525, 22325, 24630, 26790, 31198, 38587, 41050, 44650, 46797, 49260, 53580, 61575, 62396, 66975, 77174, 77995, 82100, 89300, 93594, 115761, 123150, 133950, 154348, 155990, 187188, 192935, 231522, 233985, 246300, 267900, 311980, 385870, 389975, 463044, 467970, 578805, 733153, 771740, 779950, 935940, 964675, 1157610, 1169925, 1466306, 1559900, 1929350, 2199459, 2315220, 2339850, 2894025, 2932612, 3665765, 3858700, 4398918, 4679700, 5788050, 7331530, 8797836, 10997295, 11576100, 14663060, 18328825, 21994590, 36657650, 43989180, 54986475, 73315300, 109972950, 219945900]

約数ペア:

[(1, 219945900), (2, 109972950), (3, 73315300), (4, 54986475), (5, 43989180), (6, 36657650), (10, 21994590), (12, 18328825), (15, 14663060), (19, 11576100), (20, 10997295), (25, 8797836), (30, 7331530), (38, 5788050), (47, 4679700), (50, 4398918), (57, 3858700), (60, 3665765), (75, 2932612), (76, 2894025), (94, 2339850), (95, 2315220), (100, 2199459), (114, 1929350), (141, 1559900), (150, 1466306), (188, 1169925), (190, 1157610), (228, 964675), (235, 935940), (282, 779950), (285, 771740), (300, 733153), (380, 578805), (470, 467970), (475, 463044), (564, 389975), (570, 385870), (705, 311980), (821, 267900), (893, 246300), (940, 233985), (950, 231522), (1140, 192935), (1175, 187188), (1410, 155990), (1425, 154348), (1642, 133950), (1786, 123150), (1900, 115761), (2350, 93594), (2463, 89300), (2679, 82100), (2820, 77995), (2850, 77174), (3284, 66975), (3525, 62396), (3572, 61575), (4105, 53580), (4465, 49260), (4700, 46797), (4926, 44650), (5358, 41050), (5700, 38587), (7050, 31198), (8210, 26790), (8930, 24630), (9852, 22325), (10716, 20525), (12315, 17860), (13395, 16420), (14100, 15599)]