178881164

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2919

約数の個数: 72

約数和(自身を含む): 411097680

約数和(自身を除く): 232216516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1421, 2156, 2233, 2842, 2861, 4466, 5684, 5722, 8932, 11444, 15631, 20027, 31262, 31471, 40054, 62524, 62942, 80108, 82969, 125884, 140189, 165938, 220297, 280378, 331876, 440594, 560756, 580783, 881188, 912659, 1161566, 1542079, 1825318, 2323132, 3084158, 3650636, 4065481, 6168316, 6388613, 8130962, 12777226, 16261924, 25554452, 44720291, 89440582, 178881164]

約数ペア:

[(1, 178881164), (2, 89440582), (4, 44720291), (7, 25554452), (11, 16261924), (14, 12777226), (22, 8130962), (28, 6388613), (29, 6168316), (44, 4065481), (49, 3650636), (58, 3084158), (77, 2323132), (98, 1825318), (116, 1542079), (154, 1161566), (196, 912659), (203, 881188), (308, 580783), (319, 560756), (406, 440594), (539, 331876), (638, 280378), (812, 220297), (1078, 165938), (1276, 140189), (1421, 125884), (2156, 82969), (2233, 80108), (2842, 62942), (2861, 62524), (4466, 40054), (5684, 31471), (5722, 31262), (8932, 20027), (11444, 15631)]