2019901540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1\times {\mathrm{2153}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 4318942320

約数和(自身を除く): 2299040780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 769, 1220, 1538, 2153, 3076, 3845, 4306, 7690, 8612, 10765, 15380, 21530, 43060, 46909, 93818, 131333, 187636, 234545, 262666, 469090, 525332, 656665, 938180, 1313330, 1655657, 2626660, 3311314, 6622628, 8278285, 16556570, 33113140, 100995077, 201990154, 403980308, 504975385, 1009950770, 2019901540]

約数ペア:

[(1, 2019901540), (2, 1009950770), (4, 504975385), (5, 403980308), (10, 201990154), (20, 100995077), (61, 33113140), (122, 16556570), (244, 8278285), (305, 6622628), (610, 3311314), (769, 2626660), (1220, 1655657), (1538, 1313330), (2153, 938180), (3076, 656665), (3845, 525332), (4306, 469090), (7690, 262666), (8612, 234545), (10765, 187636), (15380, 131333), (21530, 93818), (43060, 46909)]