248195920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 746523648

約数和(自身を除く): 498327728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 31, 34, 35, 40, 56, 58, 62, 68, 70, 80, 85, 112, 116, 119, 124, 136, 140, 145, 155, 170, 203, 217, 232, 238, 248, 272, 280, 290, 310, 340, 406, 434, 464, 476, 493, 496, 527, 560, 580, 595, 620, 680, 812, 841, 868, 899, 952, 986, 1015, 1054, 1085, 1160, 1190, 1240, 1360, 1624, 1682, 1736, 1798, 1904, 1972, 2030, 2108, 2170, 2320, 2380, 2465, 2480, 2635, 3248, 3364, 3451, 3472, 3596, 3689, 3944, 4060, 4205, 4216, 4340, 4495, 4760, 4930, 5270, 5887, 6293, 6728, 6902, 7192, 7378, 7888, 8120, 8410, 8432, 8680, 8990, 9520, 9860, 10540, 11774, 12586, 13456, 13804, 14297, 14384, 14756, 15283, 16240, 16820, 17255, 17360, 17980, 18445, 19720, 21080, 23548, 25172, 26071, 27608, 28594, 29435, 29512, 30566, 31465, 33640, 34510, 35960, 36890, 39440, 42160, 47096, 50344, 52142, 55216, 57188, 58870, 59024, 61132, 62930, 67280, 69020, 71485, 71920, 73780, 76415, 94192, 100079, 100688, 104284, 106981, 114376, 117740, 122264, 125860, 130355, 138040, 142970, 147560, 152830, 182497, 200158, 208568, 213962, 228752, 235480, 244528, 251720, 260710, 276080, 285940, 295120, 305660, 364994, 400316, 417136, 427924, 443207, 470960, 500395, 503440, 521420, 534905, 571880, 611320, 729988, 800632, 855848, 886414, 912485, 1000790, 1042840, 1069810, 1143760, 1222640, 1459976, 1601264, 1711696, 1772828, 1824970, 2001580, 2085680, 2139620, 2216035, 2919952, 3102449, 3545656, 3649940, 4003160, 4279240, 4432070, 6204898, 7091312, 7299880, 8006320, 8558480, 8864140, 12409796, 14599760, 15512245, 17728280, 24819592, 31024490, 35456560, 49639184, 62048980, 124097960, 248195920]

約数ペア:

[(1, 248195920), (2, 124097960), (4, 62048980), (5, 49639184), (7, 35456560), (8, 31024490), (10, 24819592), (14, 17728280), (16, 15512245), (17, 14599760), (20, 12409796), (28, 8864140), (29, 8558480), (31, 8006320), (34, 7299880), (35, 7091312), (40, 6204898), (56, 4432070), (58, 4279240), (62, 4003160), (68, 3649940), (70, 3545656), (80, 3102449), (85, 2919952), (112, 2216035), (116, 2139620), (119, 2085680), (124, 2001580), (136, 1824970), (140, 1772828), (145, 1711696), (155, 1601264), (170, 1459976), (203, 1222640), (217, 1143760), (232, 1069810), (238, 1042840), (248, 1000790), (272, 912485), (280, 886414), (290, 855848), (310, 800632), (340, 729988), (406, 611320), (434, 571880), (464, 534905), (476, 521420), (493, 503440), (496, 500395), (527, 470960), (560, 443207), (580, 427924), (595, 417136), (620, 400316), (680, 364994), (812, 305660), (841, 295120), (868, 285940), (899, 276080), (952, 260710), (986, 251720), (1015, 244528), (1054, 235480), (1085, 228752), (1160, 213962), (1190, 208568), (1240, 200158), (1360, 182497), (1624, 152830), (1682, 147560), (1736, 142970), (1798, 138040), (1904, 130355), (1972, 125860), (2030, 122264), (2108, 117740), (2170, 114376), (2320, 106981), (2380, 104284), (2465, 100688), (2480, 100079), (2635, 94192), (3248, 76415), (3364, 73780), (3451, 71920), (3472, 71485), (3596, 69020), (3689, 67280), (3944, 62930), (4060, 61132), (4205, 59024), (4216, 58870), (4340, 57188), (4495, 55216), (4760, 52142), (4930, 50344), (5270, 47096), (5887, 42160), (6293, 39440), (6728, 36890), (6902, 35960), (7192, 34510), (7378, 33640), (7888, 31465), (8120, 30566), (8410, 29512), (8432, 29435), (8680, 28594), (8990, 27608), (9520, 26071), (9860, 25172), (10540, 23548), (11774, 21080), (12586, 19720), (13456, 18445), (13804, 17980), (14297, 17360), (14384, 17255), (14756, 16820), (15283, 16240)]