130511220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{310741}}^1$

素因数の和:310760

約数の個数: 48

約数和(自身を含む): 417637248

約数和(自身を除く): 287126028

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, 310741, 621482, 932223, 1242964, 1553705, 1864446, 2175187, 3107410, 3728892, 4350374, 4661115, 6214820, 6525561, 8700748, 9322230, 10875935, 13051122, 18644460, 21751870, 26102244, 32627805, 43503740, 65255610, 130511220]

約数ペア:

[(1, 130511220), (2, 65255610), (3, 43503740), (4, 32627805), (5, 26102244), (6, 21751870), (7, 18644460), (10, 13051122), (12, 10875935), (14, 9322230), (15, 8700748), (20, 6525561), (21, 6214820), (28, 4661115), (30, 4350374), (35, 3728892), (42, 3107410), (60, 2175187), (70, 1864446), (84, 1553705), (105, 1242964), (140, 932223), (210, 621482), (420, 310741)]