2000597020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 4451500368

約数和(自身を除く): 2450903348

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 401, 691, 722, 802, 1382, 1444, 1604, 1805, 2005, 2764, 3455, 3610, 4010, 6910, 7220, 7619, 8020, 13129, 13820, 15238, 26258, 30476, 38095, 52516, 65645, 76190, 131290, 144761, 152380, 249451, 262580, 277091, 289522, 498902, 554182, 579044, 723805, 997804, 1108364, 1247255, 1385455, 1447610, 2494510, 2770910, 2895220, 4989020, 5264729, 5541820, 10529458, 21058916, 26323645, 52647290, 100029851, 105294580, 200059702, 400119404, 500149255, 1000298510, 2000597020]

約数ペア:

[(1, 2000597020), (2, 1000298510), (4, 500149255), (5, 400119404), (10, 200059702), (19, 105294580), (20, 100029851), (38, 52647290), (76, 26323645), (95, 21058916), (190, 10529458), (361, 5541820), (380, 5264729), (401, 4989020), (691, 2895220), (722, 2770910), (802, 2494510), (1382, 1447610), (1444, 1385455), (1604, 1247255), (1805, 1108364), (2005, 997804), (2764, 723805), (3455, 579044), (3610, 554182), (4010, 498902), (6910, 289522), (7220, 277091), (7619, 262580), (8020, 249451), (13129, 152380), (13820, 144761), (15238, 131290), (26258, 76190), (30476, 65645), (38095, 52516)]