1914380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 2554420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 199, 260, 370, 398, 481, 740, 796, 962, 995, 1924, 1990, 2405, 2587, 3980, 4810, 5174, 7363, 9620, 10348, 12935, 14726, 25870, 29452, 36815, 51740, 73630, 95719, 147260, 191438, 382876, 478595, 957190, 1914380]

約数ペア:

[(1, 1914380), (2, 957190), (4, 478595), (5, 382876), (10, 191438), (13, 147260), (20, 95719), (26, 73630), (37, 51740), (52, 36815), (65, 29452), (74, 25870), (130, 14726), (148, 12935), (185, 10348), (199, 9620), (260, 7363), (370, 5174), (398, 4810), (481, 3980), (740, 2587), (796, 2405), (962, 1990), (995, 1924)]