856554580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{322013}}^1$

素因数の和:322048

約数の個数: 48

約数和(自身を含む): 2163934080

約数和(自身を除く): 1307379500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 322013, 644026, 1288052, 1610065, 2254091, 3220130, 4508182, 6118247, 6440260, 9016364, 11270455, 12236494, 22540910, 24472988, 30591235, 42827729, 45081820, 61182470, 85655458, 122364940, 171310916, 214138645, 428277290, 856554580]

約数ペア:

[(1, 856554580), (2, 428277290), (4, 214138645), (5, 171310916), (7, 122364940), (10, 85655458), (14, 61182470), (19, 45081820), (20, 42827729), (28, 30591235), (35, 24472988), (38, 22540910), (70, 12236494), (76, 11270455), (95, 9016364), (133, 6440260), (140, 6118247), (190, 4508182), (266, 3220130), (380, 2254091), (532, 1610065), (665, 1288052), (1330, 644026), (2660, 322013)]