138266940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329207}}^1$

素因数の和:329226

約数の個数: 48

約数和(自身を含む): 442455552

約数和(自身を除く): 304188612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 329207, 658414, 987621, 1316828, 1646035, 1975242, 2304449, 3292070, 3950484, 4608898, 4938105, 6584140, 6913347, 9217796, 9876210, 11522245, 13826694, 19752420, 23044490, 27653388, 34566735, 46088980, 69133470, 138266940]

約数ペア:

[(1, 138266940), (2, 69133470), (3, 46088980), (4, 34566735), (5, 27653388), (6, 23044490), (7, 19752420), (10, 13826694), (12, 11522245), (14, 9876210), (15, 9217796), (20, 6913347), (21, 6584140), (28, 4938105), (30, 4608898), (35, 3950484), (42, 3292070), (60, 2304449), (70, 1975242), (84, 1646035), (105, 1316828), (140, 987621), (210, 658414), (420, 329207)]