71415980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7243}}^1$

素因数の和:7298

約数の個数: 48

約数和(自身を含む): 164293920

約数和(自身を除く): 92877940

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 7243, 9860, 14486, 28972, 36215, 72430, 123131, 144860, 210047, 246262, 420094, 492524, 615655, 840188, 1050235, 1231310, 2100470, 2462620, 3570799, 4200940, 7141598, 14283196, 17853995, 35707990, 71415980]

約数ペア:

[(1, 71415980), (2, 35707990), (4, 17853995), (5, 14283196), (10, 7141598), (17, 4200940), (20, 3570799), (29, 2462620), (34, 2100470), (58, 1231310), (68, 1050235), (85, 840188), (116, 615655), (145, 492524), (170, 420094), (290, 246262), (340, 210047), (493, 144860), (580, 123131), (986, 72430), (1972, 36215), (2465, 28972), (4930, 14486), (7243, 9860)]