201640864

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 420396480

約数和(自身を除く): 218755616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 83, 124, 158, 166, 248, 316, 332, 496, 632, 664, 961, 992, 1264, 1328, 1922, 2449, 2528, 2573, 2656, 3844, 4898, 5146, 6557, 7688, 9796, 10292, 13114, 15376, 19592, 20584, 26228, 30752, 39184, 41168, 52456, 75919, 78368, 79763, 82336, 104912, 151838, 159526, 203267, 209824, 303676, 319052, 406534, 607352, 638104, 813068, 1214704, 1276208, 1626136, 2429408, 2552416, 3252272, 6301277, 6504544, 12602554, 25205108, 50410216, 100820432, 201640864]

約数ペア:

[(1, 201640864), (2, 100820432), (4, 50410216), (8, 25205108), (16, 12602554), (31, 6504544), (32, 6301277), (62, 3252272), (79, 2552416), (83, 2429408), (124, 1626136), (158, 1276208), (166, 1214704), (248, 813068), (316, 638104), (332, 607352), (496, 406534), (632, 319052), (664, 303676), (961, 209824), (992, 203267), (1264, 159526), (1328, 151838), (1922, 104912), (2449, 82336), (2528, 79763), (2573, 78368), (2656, 75919), (3844, 52456), (4898, 41168), (5146, 39184), (6557, 30752), (7688, 26228), (9796, 20584), (10292, 19592), (13114, 15376)]