8420440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 24105600

約数和(自身を除く): 15685160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 61, 68, 70, 85, 116, 119, 122, 136, 140, 145, 170, 203, 232, 238, 244, 280, 290, 305, 340, 406, 427, 476, 488, 493, 580, 595, 610, 680, 812, 854, 952, 986, 1015, 1037, 1160, 1190, 1220, 1624, 1708, 1769, 1972, 2030, 2074, 2135, 2380, 2440, 2465, 3416, 3451, 3538, 3944, 4060, 4148, 4270, 4760, 4930, 5185, 6902, 7076, 7259, 8120, 8296, 8540, 8845, 9860, 10370, 12383, 13804, 14152, 14518, 17080, 17255, 17690, 19720, 20740, 24766, 27608, 29036, 30073, 34510, 35380, 36295, 41480, 49532, 58072, 60146, 61915, 69020, 70760, 72590, 99064, 120292, 123830, 138040, 145180, 150365, 210511, 240584, 247660, 290360, 300730, 421022, 495320, 601460, 842044, 1052555, 1202920, 1684088, 2105110, 4210220, 8420440]

約数ペア:

[(1, 8420440), (2, 4210220), (4, 2105110), (5, 1684088), (7, 1202920), (8, 1052555), (10, 842044), (14, 601460), (17, 495320), (20, 421022), (28, 300730), (29, 290360), (34, 247660), (35, 240584), (40, 210511), (56, 150365), (58, 145180), (61, 138040), (68, 123830), (70, 120292), (85, 99064), (116, 72590), (119, 70760), (122, 69020), (136, 61915), (140, 60146), (145, 58072), (170, 49532), (203, 41480), (232, 36295), (238, 35380), (244, 34510), (280, 30073), (290, 29036), (305, 27608), (340, 24766), (406, 20740), (427, 19720), (476, 17690), (488, 17255), (493, 17080), (580, 14518), (595, 14152), (610, 13804), (680, 12383), (812, 10370), (854, 9860), (952, 8845), (986, 8540), (1015, 8296), (1037, 8120), (1160, 7259), (1190, 7076), (1220, 6902), (1624, 5185), (1708, 4930), (1769, 4760), (1972, 4270), (2030, 4148), (2074, 4060), (2135, 3944), (2380, 3538), (2440, 3451), (2465, 3416)]