207975880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2069}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 536544000

約数和(自身を除く): 328568120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 2069, 2513, 2872, 3590, 4138, 5026, 7180, 8276, 10052, 10345, 12565, 14360, 14483, 16552, 20104, 20690, 25130, 28966, 41380, 50260, 57932, 72415, 82760, 100520, 115864, 144830, 289660, 579320, 742771, 1485542, 2971084, 3713855, 5199397, 5942168, 7427710, 10398794, 14855420, 20797588, 25996985, 29710840, 41595176, 51993970, 103987940, 207975880]

約数ペア:

[(1, 207975880), (2, 103987940), (4, 51993970), (5, 41595176), (7, 29710840), (8, 25996985), (10, 20797588), (14, 14855420), (20, 10398794), (28, 7427710), (35, 5942168), (40, 5199397), (56, 3713855), (70, 2971084), (140, 1485542), (280, 742771), (359, 579320), (718, 289660), (1436, 144830), (1795, 115864), (2069, 100520), (2513, 82760), (2872, 72415), (3590, 57932), (4138, 50260), (5026, 41380), (7180, 28966), (8276, 25130), (10052, 20690), (10345, 20104), (12565, 16552), (14360, 14483)]