31247020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 83704320

約数和(自身を除く): 52457300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 691, 1190, 1292, 1330, 1382, 1615, 2261, 2380, 2660, 2764, 3230, 3455, 4522, 4837, 6460, 6910, 9044, 9674, 11305, 11747, 13129, 13820, 19348, 22610, 23494, 24185, 26258, 45220, 46988, 48370, 52516, 58735, 65645, 82229, 91903, 96740, 117470, 131290, 164458, 183806, 223193, 234940, 262580, 328916, 367612, 411145, 446386, 459515, 822290, 892772, 919030, 1115965, 1562351, 1644580, 1838060, 2231930, 3124702, 4463860, 6249404, 7811755, 15623510, 31247020]

約数ペア:

[(1, 31247020), (2, 15623510), (4, 7811755), (5, 6249404), (7, 4463860), (10, 3124702), (14, 2231930), (17, 1838060), (19, 1644580), (20, 1562351), (28, 1115965), (34, 919030), (35, 892772), (38, 822290), (68, 459515), (70, 446386), (76, 411145), (85, 367612), (95, 328916), (119, 262580), (133, 234940), (140, 223193), (170, 183806), (190, 164458), (238, 131290), (266, 117470), (323, 96740), (340, 91903), (380, 82229), (476, 65645), (532, 58735), (595, 52516), (646, 48370), (665, 46988), (691, 45220), (1190, 26258), (1292, 24185), (1330, 23494), (1382, 22610), (1615, 19348), (2261, 13820), (2380, 13129), (2660, 11747), (2764, 11305), (3230, 9674), (3455, 9044), (4522, 6910), (4837, 6460)]