210919890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1279}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 530841600

約数和(自身を除く): 319921710

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 239, 345, 478, 690, 717, 1195, 1279, 1434, 2390, 2558, 3585, 3837, 5497, 6395, 7170, 7674, 10994, 12790, 16491, 19185, 27485, 29417, 32982, 38370, 54970, 58834, 82455, 88251, 147085, 164910, 176502, 294170, 305681, 441255, 611362, 882510, 917043, 1528405, 1834086, 3056810, 4585215, 7030663, 9170430, 14061326, 21091989, 35153315, 42183978, 70306630, 105459945, 210919890]

約数ペア:

[(1, 210919890), (2, 105459945), (3, 70306630), (5, 42183978), (6, 35153315), (10, 21091989), (15, 14061326), (23, 9170430), (30, 7030663), (46, 4585215), (69, 3056810), (115, 1834086), (138, 1528405), (230, 917043), (239, 882510), (345, 611362), (478, 441255), (690, 305681), (717, 294170), (1195, 176502), (1279, 164910), (1434, 147085), (2390, 88251), (2558, 82455), (3585, 58834), (3837, 54970), (5497, 38370), (6395, 32982), (7170, 29417), (7674, 27485), (10994, 19185), (12790, 16491)]