2019988770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1\times {\mathrm{1217}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 4936934016

約数和(自身を除く): 2916945246

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 907, 915, 1217, 1814, 1830, 2434, 2721, 3651, 4535, 5442, 6085, 7302, 9070, 12170, 13605, 18255, 27210, 36510, 55327, 74237, 110654, 148474, 165981, 222711, 276635, 331962, 371185, 445422, 553270, 742370, 829905, 1103819, 1113555, 1659810, 2207638, 2227110, 3311457, 5519095, 6622914, 11038190, 16557285, 33114570, 67332959, 134665918, 201998877, 336664795, 403997754, 673329590, 1009994385, 2019988770]

約数ペア:

[(1, 2019988770), (2, 1009994385), (3, 673329590), (5, 403997754), (6, 336664795), (10, 201998877), (15, 134665918), (30, 67332959), (61, 33114570), (122, 16557285), (183, 11038190), (305, 6622914), (366, 5519095), (610, 3311457), (907, 2227110), (915, 2207638), (1217, 1659810), (1814, 1113555), (1830, 1103819), (2434, 829905), (2721, 742370), (3651, 553270), (4535, 445422), (5442, 371185), (6085, 331962), (7302, 276635), (9070, 222711), (12170, 165981), (13605, 148474), (18255, 110654), (27210, 74237), (36510, 55327)]