164560250

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 319168512

約数和(自身を除く): 154608262

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 125, 127, 142, 146, 250, 254, 355, 365, 635, 710, 730, 1270, 1775, 1825, 3175, 3550, 3650, 5183, 6350, 8875, 9017, 9125, 9271, 10366, 15875, 17750, 18034, 18250, 18542, 25915, 31750, 45085, 46355, 51830, 90170, 92710, 129575, 225425, 231775, 259150, 450850, 463550, 647875, 658241, 1127125, 1158875, 1295750, 1316482, 2254250, 2317750, 3291205, 6582410, 16456025, 32912050, 82280125, 164560250]

約数ペア:

[(1, 164560250), (2, 82280125), (5, 32912050), (10, 16456025), (25, 6582410), (50, 3291205), (71, 2317750), (73, 2254250), (125, 1316482), (127, 1295750), (142, 1158875), (146, 1127125), (250, 658241), (254, 647875), (355, 463550), (365, 450850), (635, 259150), (710, 231775), (730, 225425), (1270, 129575), (1775, 92710), (1825, 90170), (3175, 51830), (3550, 46355), (3650, 45085), (5183, 31750), (6350, 25915), (8875, 18542), (9017, 18250), (9125, 18034), (9271, 17750), (10366, 15875)]