639632210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{9649}}^1$

素因数の和:10610

約数の個数: 32

約数和(自身を含む): 1317340800

約数和(自身を除く): 677708590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 947, 1894, 4735, 6629, 9470, 9649, 13258, 19298, 33145, 48245, 66290, 67543, 96490, 135086, 337715, 675430, 9137603, 18275206, 45688015, 63963221, 91376030, 127926442, 319816105, 639632210]

約数ペア:

[(1, 639632210), (2, 319816105), (5, 127926442), (7, 91376030), (10, 63963221), (14, 45688015), (35, 18275206), (70, 9137603), (947, 675430), (1894, 337715), (4735, 135086), (6629, 96490), (9470, 67543), (9649, 66290), (13258, 48245), (19298, 33145)]