13681780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 34933248

約数和(自身を除く): 21251468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 607, 644, 805, 980, 1127, 1214, 1610, 2254, 2428, 3035, 3220, 4249, 4508, 5635, 6070, 8498, 11270, 12140, 13961, 16996, 21245, 22540, 27922, 29743, 42490, 55844, 59486, 69805, 84980, 97727, 118972, 139610, 148715, 195454, 279220, 297430, 390908, 488635, 594860, 684089, 977270, 1368178, 1954540, 2736356, 3420445, 6840890, 13681780]

約数ペア:

[(1, 13681780), (2, 6840890), (4, 3420445), (5, 2736356), (7, 1954540), (10, 1368178), (14, 977270), (20, 684089), (23, 594860), (28, 488635), (35, 390908), (46, 297430), (49, 279220), (70, 195454), (92, 148715), (98, 139610), (115, 118972), (140, 97727), (161, 84980), (196, 69805), (230, 59486), (245, 55844), (322, 42490), (460, 29743), (490, 27922), (607, 22540), (644, 21245), (805, 16996), (980, 13961), (1127, 12140), (1214, 11270), (1610, 8498), (2254, 6070), (2428, 5635), (3035, 4508), (3220, 4249)]