138972650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{607}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 273672960

約数和(自身を除く): 134700310

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 241, 475, 482, 607, 950, 1205, 1214, 2410, 3035, 4579, 6025, 6070, 9158, 11533, 12050, 15175, 22895, 23066, 30350, 45790, 57665, 114475, 115330, 146287, 228950, 288325, 292574, 576650, 731435, 1462870, 2779453, 3657175, 5558906, 7314350, 13897265, 27794530, 69486325, 138972650]

約数ペア:

[(1, 138972650), (2, 69486325), (5, 27794530), (10, 13897265), (19, 7314350), (25, 5558906), (38, 3657175), (50, 2779453), (95, 1462870), (190, 731435), (241, 576650), (475, 292574), (482, 288325), (607, 228950), (950, 146287), (1205, 115330), (1214, 114475), (2410, 57665), (3035, 45790), (4579, 30350), (6025, 23066), (6070, 22895), (9158, 15175), (11533, 12050)]