245875340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1901}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 536820480

約数和(自身を除く): 290945140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 223, 290, 446, 580, 892, 1115, 1901, 2230, 3802, 4460, 6467, 7604, 9505, 12934, 19010, 25868, 32335, 38020, 55129, 64670, 110258, 129340, 220516, 275645, 423923, 551290, 847846, 1102580, 1695692, 2119615, 4239230, 8478460, 12293767, 24587534, 49175068, 61468835, 122937670, 245875340]

約数ペア:

[(1, 245875340), (2, 122937670), (4, 61468835), (5, 49175068), (10, 24587534), (20, 12293767), (29, 8478460), (58, 4239230), (116, 2119615), (145, 1695692), (223, 1102580), (290, 847846), (446, 551290), (580, 423923), (892, 275645), (1115, 220516), (1901, 129340), (2230, 110258), (3802, 64670), (4460, 55129), (6467, 38020), (7604, 32335), (9505, 25868), (12934, 19010)]