28621740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68147}}^1$

素因数の和:68166

約数の個数: 48

約数和(自身を含む): 91590912

約数和(自身を除く): 62969172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68147, 136294, 204441, 272588, 340735, 408882, 477029, 681470, 817764, 954058, 1022205, 1362940, 1431087, 1908116, 2044410, 2385145, 2862174, 4088820, 4770290, 5724348, 7155435, 9540580, 14310870, 28621740]

約数ペア:

[(1, 28621740), (2, 14310870), (3, 9540580), (4, 7155435), (5, 5724348), (6, 4770290), (7, 4088820), (10, 2862174), (12, 2385145), (14, 2044410), (15, 1908116), (20, 1431087), (21, 1362940), (28, 1022205), (30, 954058), (35, 817764), (42, 681470), (60, 477029), (70, 408882), (84, 340735), (105, 272588), (140, 204441), (210, 136294), (420, 68147)]