138640348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 307930112

約数和(自身を除く): 169289764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 151, 154, 242, 271, 302, 308, 484, 542, 604, 847, 1057, 1084, 1661, 1694, 1897, 2114, 2981, 3322, 3388, 3794, 4228, 5962, 6644, 7588, 11627, 11924, 18271, 20867, 23254, 32791, 36542, 40921, 41734, 46508, 65582, 73084, 81842, 83468, 127897, 131164, 163684, 229537, 255794, 286447, 450131, 459074, 511588, 572894, 900262, 918148, 1145788, 1800524, 3150917, 4951441, 6301834, 9902882, 12603668, 19805764, 34660087, 69320174, 138640348]

約数ペア:

[(1, 138640348), (2, 69320174), (4, 34660087), (7, 19805764), (11, 12603668), (14, 9902882), (22, 6301834), (28, 4951441), (44, 3150917), (77, 1800524), (121, 1145788), (151, 918148), (154, 900262), (242, 572894), (271, 511588), (302, 459074), (308, 450131), (484, 286447), (542, 255794), (604, 229537), (847, 163684), (1057, 131164), (1084, 127897), (1661, 83468), (1694, 81842), (1897, 73084), (2114, 65582), (2981, 46508), (3322, 41734), (3388, 40921), (3794, 36542), (4228, 32791), (5962, 23254), (6644, 20867), (7588, 18271), (11627, 11924)]