129920252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^2$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 300397440

約数和(自身を除く): 170477188

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 149, 154, 209, 266, 298, 308, 418, 532, 596, 836, 1043, 1463, 1639, 2086, 2831, 2926, 3278, 4172, 5662, 5852, 6556, 11324, 11473, 19817, 22201, 22946, 31141, 39634, 44402, 45892, 62282, 79268, 88804, 124564, 155407, 217987, 244211, 310814, 421819, 435974, 488422, 621628, 843638, 871948, 976844, 1687276, 1709477, 2952733, 3418954, 4640009, 5905466, 6837908, 9280018, 11810932, 18560036, 32480063, 64960126, 129920252]

約数ペア:

[(1, 129920252), (2, 64960126), (4, 32480063), (7, 18560036), (11, 11810932), (14, 9280018), (19, 6837908), (22, 5905466), (28, 4640009), (38, 3418954), (44, 2952733), (76, 1709477), (77, 1687276), (133, 976844), (149, 871948), (154, 843638), (209, 621628), (266, 488422), (298, 435974), (308, 421819), (418, 310814), (532, 244211), (596, 217987), (836, 155407), (1043, 124564), (1463, 88804), (1639, 79268), (2086, 62282), (2831, 45892), (2926, 44402), (3278, 39634), (4172, 31141), (5662, 22946), (5852, 22201), (6556, 19817), (11324, 11473)]