71874470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 144633600

約数和(自身を除く): 72759130

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 61, 85, 122, 145, 170, 239, 290, 305, 478, 493, 610, 986, 1037, 1195, 1769, 2074, 2390, 2465, 3538, 4063, 4930, 5185, 6931, 8126, 8845, 10370, 13862, 14579, 17690, 20315, 29158, 30073, 34655, 40630, 60146, 69310, 72895, 117827, 145790, 150365, 235654, 247843, 300730, 422791, 495686, 589135, 845582, 1178270, 1239215, 2113955, 2478430, 4227910, 7187447, 14374894, 35937235, 71874470]

約数ペア:

[(1, 71874470), (2, 35937235), (5, 14374894), (10, 7187447), (17, 4227910), (29, 2478430), (34, 2113955), (58, 1239215), (61, 1178270), (85, 845582), (122, 589135), (145, 495686), (170, 422791), (239, 300730), (290, 247843), (305, 235654), (478, 150365), (493, 145790), (610, 117827), (986, 72895), (1037, 69310), (1195, 60146), (1769, 40630), (2074, 34655), (2390, 30073), (2465, 29158), (3538, 20315), (4063, 17690), (4930, 14579), (5185, 13862), (6931, 10370), (8126, 8845)]