28197900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 99524880

約数和(自身を除く): 71326980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 25, 30, 34, 36, 38, 45, 50, 51, 57, 60, 68, 75, 76, 85, 90, 95, 97, 100, 102, 114, 150, 153, 170, 171, 180, 190, 194, 204, 225, 228, 255, 285, 291, 300, 306, 323, 340, 342, 380, 388, 425, 450, 475, 485, 510, 570, 582, 612, 646, 684, 765, 850, 855, 873, 900, 950, 969, 970, 1020, 1140, 1164, 1275, 1292, 1425, 1455, 1530, 1615, 1649, 1700, 1710, 1746, 1843, 1900, 1938, 1940, 2425, 2550, 2850, 2907, 2910, 3060, 3230, 3298, 3420, 3492, 3686, 3825, 3876, 4275, 4365, 4845, 4850, 4947, 5100, 5529, 5700, 5814, 5820, 6460, 6596, 7275, 7372, 7650, 8075, 8245, 8550, 8730, 9215, 9690, 9700, 9894, 11058, 11628, 14535, 14550, 14841, 15300, 16150, 16490, 16587, 17100, 17460, 18430, 19380, 19788, 21825, 22116, 24225, 24735, 27645, 29070, 29100, 29682, 31331, 32300, 32980, 33174, 36860, 41225, 43650, 46075, 48450, 49470, 55290, 58140, 59364, 62662, 66348, 72675, 74205, 82450, 82935, 87300, 92150, 93993, 96900, 98940, 110580, 123675, 125324, 138225, 145350, 148410, 156655, 164900, 165870, 184300, 187986, 247350, 276450, 281979, 290700, 296820, 313310, 331740, 371025, 375972, 414675, 469965, 494700, 552900, 563958, 626620, 742050, 783275, 829350, 939930, 1127916, 1409895, 1484100, 1566550, 1658700, 1879860, 2349825, 2819790, 3133100, 4699650, 5639580, 7049475, 9399300, 14098950, 28197900]

約数ペア:

[(1, 28197900), (2, 14098950), (3, 9399300), (4, 7049475), (5, 5639580), (6, 4699650), (9, 3133100), (10, 2819790), (12, 2349825), (15, 1879860), (17, 1658700), (18, 1566550), (19, 1484100), (20, 1409895), (25, 1127916), (30, 939930), (34, 829350), (36, 783275), (38, 742050), (45, 626620), (50, 563958), (51, 552900), (57, 494700), (60, 469965), (68, 414675), (75, 375972), (76, 371025), (85, 331740), (90, 313310), (95, 296820), (97, 290700), (100, 281979), (102, 276450), (114, 247350), (150, 187986), (153, 184300), (170, 165870), (171, 164900), (180, 156655), (190, 148410), (194, 145350), (204, 138225), (225, 125324), (228, 123675), (255, 110580), (285, 98940), (291, 96900), (300, 93993), (306, 92150), (323, 87300), (340, 82935), (342, 82450), (380, 74205), (388, 72675), (425, 66348), (450, 62662), (475, 59364), (485, 58140), (510, 55290), (570, 49470), (582, 48450), (612, 46075), (646, 43650), (684, 41225), (765, 36860), (850, 33174), (855, 32980), (873, 32300), (900, 31331), (950, 29682), (969, 29100), (970, 29070), (1020, 27645), (1140, 24735), (1164, 24225), (1275, 22116), (1292, 21825), (1425, 19788), (1455, 19380), (1530, 18430), (1615, 17460), (1649, 17100), (1700, 16587), (1710, 16490), (1746, 16150), (1843, 15300), (1900, 14841), (1938, 14550), (1940, 14535), (2425, 11628), (2550, 11058), (2850, 9894), (2907, 9700), (2910, 9690), (3060, 9215), (3230, 8730), (3298, 8550), (3420, 8245), (3492, 8075), (3686, 7650), (3825, 7372), (3876, 7275), (4275, 6596), (4365, 6460), (4845, 5820), (4850, 5814), (4947, 5700), (5100, 5529)]