214211305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 354336768

約数和(自身を除く): 140125463

約数列:

[1, 5, 7, 11, 17, 23, 35, 55, 77, 85, 115, 119, 161, 187, 253, 385, 391, 595, 805, 935, 1265, 1309, 1423, 1771, 1955, 2737, 4301, 6545, 7115, 8855, 9961, 13685, 15653, 21505, 24191, 30107, 32729, 49805, 78265, 109571, 120955, 150535, 163645, 169337, 229103, 266101, 360019, 547855, 556393, 846685, 1145515, 1330505, 1800095, 1862707, 2520133, 2781965, 3894751, 6120323, 9313535, 12600665, 19473755, 30601615, 42842261, 214211305]

約数ペア:

[(1, 214211305), (5, 42842261), (7, 30601615), (11, 19473755), (17, 12600665), (23, 9313535), (35, 6120323), (55, 3894751), (77, 2781965), (85, 2520133), (115, 1862707), (119, 1800095), (161, 1330505), (187, 1145515), (253, 846685), (385, 556393), (391, 547855), (595, 360019), (805, 266101), (935, 229103), (1265, 169337), (1309, 163645), (1423, 150535), (1771, 120955), (1955, 109571), (2737, 78265), (4301, 49805), (6545, 32729), (7115, 30107), (8855, 24191), (9961, 21505), (13685, 15653)]