245082020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3833}}^1$

素因数の和:4004

約数の個数: 48

約数和(自身を含む): 541054080

約数和(自身を除く): 295972060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 3833, 6394, 7666, 12788, 15332, 15985, 19165, 31970, 38330, 63940, 76660, 88159, 176318, 352636, 440795, 532787, 881590, 1065574, 1763180, 2131148, 2663935, 5327870, 10655740, 12254101, 24508202, 49016404, 61270505, 122541010, 245082020]

約数ペア:

[(1, 245082020), (2, 122541010), (4, 61270505), (5, 49016404), (10, 24508202), (20, 12254101), (23, 10655740), (46, 5327870), (92, 2663935), (115, 2131148), (139, 1763180), (230, 1065574), (278, 881590), (460, 532787), (556, 440795), (695, 352636), (1390, 176318), (2780, 88159), (3197, 76660), (3833, 63940), (6394, 38330), (7666, 31970), (12788, 19165), (15332, 15985)]