2013214940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{11717}}^1$

素因数の和:11819

約数の個数: 72

約数和(自身を含む): 4712885856

約数和(自身を除く): 2699670916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1210, 1420, 1562, 2420, 3124, 3905, 7810, 8591, 11717, 15620, 17182, 23434, 34364, 42955, 46868, 58585, 85910, 117170, 128887, 171820, 234340, 257774, 515548, 644435, 831907, 1288870, 1417757, 1663814, 2577740, 2835514, 3327628, 4159535, 5671028, 7088785, 8319070, 9150977, 14177570, 16638140, 18301954, 28355140, 36603908, 45754885, 91509770, 100660747, 183019540, 201321494, 402642988, 503303735, 1006607470, 2013214940]

約数ペア:

[(1, 2013214940), (2, 1006607470), (4, 503303735), (5, 402642988), (10, 201321494), (11, 183019540), (20, 100660747), (22, 91509770), (44, 45754885), (55, 36603908), (71, 28355140), (110, 18301954), (121, 16638140), (142, 14177570), (220, 9150977), (242, 8319070), (284, 7088785), (355, 5671028), (484, 4159535), (605, 3327628), (710, 2835514), (781, 2577740), (1210, 1663814), (1420, 1417757), (1562, 1288870), (2420, 831907), (3124, 644435), (3905, 515548), (7810, 257774), (8591, 234340), (11717, 171820), (15620, 128887), (17182, 117170), (23434, 85910), (34364, 58585), (42955, 46868)]