209231100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 180

約数和(自身を含む): 730784824

約数和(自身を除く): 521553724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 81, 90, 100, 108, 117, 130, 135, 150, 156, 162, 180, 195, 225, 234, 260, 270, 300, 324, 325, 351, 390, 405, 450, 468, 540, 585, 650, 675, 702, 780, 810, 900, 975, 1053, 1170, 1300, 1350, 1404, 1620, 1755, 1950, 1987, 2025, 2106, 2340, 2700, 2925, 3510, 3900, 3974, 4050, 4212, 5265, 5850, 5961, 7020, 7948, 8100, 8775, 9935, 10530, 11700, 11922, 17550, 17883, 19870, 21060, 23844, 25831, 26325, 29805, 35100, 35766, 39740, 49675, 51662, 52650, 53649, 59610, 71532, 77493, 89415, 99350, 103324, 105300, 107298, 119220, 129155, 149025, 154986, 160947, 178830, 198700, 214596, 232479, 258310, 268245, 298050, 309972, 321894, 357660, 387465, 447075, 464958, 516620, 536490, 596100, 643788, 645775, 697437, 774930, 804735, 894150, 929916, 1072980, 1162395, 1291550, 1341225, 1394874, 1549860, 1609470, 1788300, 1937325, 2092311, 2324790, 2583100, 2682450, 2789748, 3218940, 3487185, 3874650, 4023675, 4184622, 4649580, 5364900, 5811975, 6974370, 7749300, 8047350, 8369244, 10461555, 11623950, 13948740, 16094700, 17435925, 20923110, 23247900, 34871850, 41846220, 52307775, 69743700, 104615550, 209231100]

約数ペア:

[(1, 209231100), (2, 104615550), (3, 69743700), (4, 52307775), (5, 41846220), (6, 34871850), (9, 23247900), (10, 20923110), (12, 17435925), (13, 16094700), (15, 13948740), (18, 11623950), (20, 10461555), (25, 8369244), (26, 8047350), (27, 7749300), (30, 6974370), (36, 5811975), (39, 5364900), (45, 4649580), (50, 4184622), (52, 4023675), (54, 3874650), (60, 3487185), (65, 3218940), (75, 2789748), (78, 2682450), (81, 2583100), (90, 2324790), (100, 2092311), (108, 1937325), (117, 1788300), (130, 1609470), (135, 1549860), (150, 1394874), (156, 1341225), (162, 1291550), (180, 1162395), (195, 1072980), (225, 929916), (234, 894150), (260, 804735), (270, 774930), (300, 697437), (324, 645775), (325, 643788), (351, 596100), (390, 536490), (405, 516620), (450, 464958), (468, 447075), (540, 387465), (585, 357660), (650, 321894), (675, 309972), (702, 298050), (780, 268245), (810, 258310), (900, 232479), (975, 214596), (1053, 198700), (1170, 178830), (1300, 160947), (1350, 154986), (1404, 149025), (1620, 129155), (1755, 119220), (1950, 107298), (1987, 105300), (2025, 103324), (2106, 99350), (2340, 89415), (2700, 77493), (2925, 71532), (3510, 59610), (3900, 53649), (3974, 52650), (4050, 51662), (4212, 49675), (5265, 39740), (5850, 35766), (5961, 35100), (7020, 29805), (7948, 26325), (8100, 25831), (8775, 23844), (9935, 21060), (10530, 19870), (11700, 17883), (11922, 17550)]