139174140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331367}}^1$

素因数の和:331386

約数の個数: 48

約数和(自身を含む): 445358592

約数和(自身を除く): 306184452

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, 331367, 662734, 994101, 1325468, 1656835, 1988202, 2319569, 3313670, 3976404, 4639138, 4970505, 6627340, 6958707, 9278276, 9941010, 11597845, 13917414, 19882020, 23195690, 27834828, 34793535, 46391380, 69587070, 139174140]

約数ペア:

[(1, 139174140), (2, 69587070), (3, 46391380), (4, 34793535), (5, 27834828), (6, 23195690), (7, 19882020), (10, 13917414), (12, 11597845), (14, 9941010), (15, 9278276), (20, 6958707), (21, 6627340), (28, 4970505), (30, 4639138), (35, 3976404), (42, 3313670), (60, 2319569), (70, 1988202), (84, 1656835), (105, 1325468), (140, 994101), (210, 662734), (420, 331367)]