2019944360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{16433}}^1$

素因数の和:16890

約数の個数: 64

約数和(自身を含む): 5206291200

約数和(自身を除く): 3186346840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1756, 2195, 3073, 3512, 4390, 6146, 8780, 12292, 15365, 16433, 17560, 24584, 30730, 32866, 61460, 65732, 82165, 115031, 122920, 131464, 164330, 230062, 328660, 460124, 575155, 657320, 920248, 1150310, 2300620, 4601240, 7214087, 14428174, 28856348, 36070435, 50498609, 57712696, 72140870, 100997218, 144281740, 201994436, 252493045, 288563480, 403988872, 504986090, 1009972180, 2019944360]

約数ペア:

[(1, 2019944360), (2, 1009972180), (4, 504986090), (5, 403988872), (7, 288563480), (8, 252493045), (10, 201994436), (14, 144281740), (20, 100997218), (28, 72140870), (35, 57712696), (40, 50498609), (56, 36070435), (70, 28856348), (140, 14428174), (280, 7214087), (439, 4601240), (878, 2300620), (1756, 1150310), (2195, 920248), (3073, 657320), (3512, 575155), (4390, 460124), (6146, 328660), (8780, 230062), (12292, 164330), (15365, 131464), (16433, 122920), (17560, 115031), (24584, 82165), (30730, 65732), (32866, 61460)]