217085680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:807

約数の個数: 120

約数和(自身を含む): 595408320

約数和(自身を除く): 378322640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 701, 784, 790, 980, 1106, 1264, 1402, 1580, 1960, 2212, 2765, 2804, 3160, 3505, 3871, 3920, 4424, 4907, 5530, 5608, 6320, 7010, 7742, 8848, 9814, 11060, 11216, 14020, 15484, 19355, 19628, 22120, 24535, 28040, 30968, 34349, 38710, 39256, 44240, 49070, 55379, 56080, 61936, 68698, 77420, 78512, 98140, 110758, 137396, 154840, 171745, 196280, 221516, 274792, 276895, 309680, 343490, 387653, 392560, 443032, 549584, 553790, 686980, 775306, 886064, 1107580, 1373960, 1550612, 1938265, 2215160, 2713571, 2747920, 3101224, 3876530, 4430320, 5427142, 6202448, 7753060, 10854284, 13567855, 15506120, 21708568, 27135710, 31012240, 43417136, 54271420, 108542840, 217085680]

約数ペア:

[(1, 217085680), (2, 108542840), (4, 54271420), (5, 43417136), (7, 31012240), (8, 27135710), (10, 21708568), (14, 15506120), (16, 13567855), (20, 10854284), (28, 7753060), (35, 6202448), (40, 5427142), (49, 4430320), (56, 3876530), (70, 3101224), (79, 2747920), (80, 2713571), (98, 2215160), (112, 1938265), (140, 1550612), (158, 1373960), (196, 1107580), (245, 886064), (280, 775306), (316, 686980), (392, 553790), (395, 549584), (490, 443032), (553, 392560), (560, 387653), (632, 343490), (701, 309680), (784, 276895), (790, 274792), (980, 221516), (1106, 196280), (1264, 171745), (1402, 154840), (1580, 137396), (1960, 110758), (2212, 98140), (2765, 78512), (2804, 77420), (3160, 68698), (3505, 61936), (3871, 56080), (3920, 55379), (4424, 49070), (4907, 44240), (5530, 39256), (5608, 38710), (6320, 34349), (7010, 30968), (7742, 28040), (8848, 24535), (9814, 22120), (11060, 19628), (11216, 19355), (14020, 15484)]