39147080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19973}}^1$

素因数の和:19998

約数の個数: 48

約数和(自身を含む): 102466620

約数和(自身を除く): 63319540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19973, 39946, 79892, 99865, 139811, 159784, 199730, 279622, 399460, 559244, 699055, 798920, 978677, 1118488, 1398110, 1957354, 2796220, 3914708, 4893385, 5592440, 7829416, 9786770, 19573540, 39147080]

約数ペア:

[(1, 39147080), (2, 19573540), (4, 9786770), (5, 7829416), (7, 5592440), (8, 4893385), (10, 3914708), (14, 2796220), (20, 1957354), (28, 1398110), (35, 1118488), (40, 978677), (49, 798920), (56, 699055), (70, 559244), (98, 399460), (140, 279622), (196, 199730), (245, 159784), (280, 139811), (392, 99865), (490, 79892), (980, 39946), (1960, 19973)]