4279240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 128

約数和(自身を含む): 12441600

約数和(自身を除く): 8162360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 31, 34, 35, 40, 56, 58, 62, 68, 70, 85, 116, 119, 124, 136, 140, 145, 155, 170, 203, 217, 232, 238, 248, 280, 290, 310, 340, 406, 434, 476, 493, 527, 580, 595, 620, 680, 812, 868, 899, 952, 986, 1015, 1054, 1085, 1160, 1190, 1240, 1624, 1736, 1798, 1972, 2030, 2108, 2170, 2380, 2465, 2635, 3451, 3596, 3689, 3944, 4060, 4216, 4340, 4495, 4760, 4930, 5270, 6293, 6902, 7192, 7378, 8120, 8680, 8990, 9860, 10540, 12586, 13804, 14756, 15283, 17255, 17980, 18445, 19720, 21080, 25172, 27608, 29512, 30566, 31465, 34510, 35960, 36890, 50344, 61132, 62930, 69020, 73780, 76415, 106981, 122264, 125860, 138040, 147560, 152830, 213962, 251720, 305660, 427924, 534905, 611320, 855848, 1069810, 2139620, 4279240]

約数ペア:

[(1, 4279240), (2, 2139620), (4, 1069810), (5, 855848), (7, 611320), (8, 534905), (10, 427924), (14, 305660), (17, 251720), (20, 213962), (28, 152830), (29, 147560), (31, 138040), (34, 125860), (35, 122264), (40, 106981), (56, 76415), (58, 73780), (62, 69020), (68, 62930), (70, 61132), (85, 50344), (116, 36890), (119, 35960), (124, 34510), (136, 31465), (140, 30566), (145, 29512), (155, 27608), (170, 25172), (203, 21080), (217, 19720), (232, 18445), (238, 17980), (248, 17255), (280, 15283), (290, 14756), (310, 13804), (340, 12586), (406, 10540), (434, 9860), (476, 8990), (493, 8680), (527, 8120), (580, 7378), (595, 7192), (620, 6902), (680, 6293), (812, 5270), (868, 4930), (899, 4760), (952, 4495), (986, 4340), (1015, 4216), (1054, 4060), (1085, 3944), (1160, 3689), (1190, 3596), (1240, 3451), (1624, 2635), (1736, 2465), (1798, 2380), (1972, 2170), (2030, 2108)]