121817220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{290041}}^1$

素因数の和:290060

約数の個数: 48

約数和(自身を含む): 389816448

約数和(自身を除く): 267999228

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, 290041, 580082, 870123, 1160164, 1450205, 1740246, 2030287, 2900410, 3480492, 4060574, 4350615, 5800820, 6090861, 8121148, 8701230, 10151435, 12181722, 17402460, 20302870, 24363444, 30454305, 40605740, 60908610, 121817220]

約数ペア:

[(1, 121817220), (2, 60908610), (3, 40605740), (4, 30454305), (5, 24363444), (6, 20302870), (7, 17402460), (10, 12181722), (12, 10151435), (14, 8701230), (15, 8121148), (20, 6090861), (21, 5800820), (28, 4350615), (30, 4060574), (35, 3480492), (42, 2900410), (60, 2030287), (70, 1740246), (84, 1450205), (105, 1160164), (140, 870123), (210, 580082), (420, 290041)]