87928540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 231662592

約数和(自身を除く): 143734052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 70, 83, 92, 94, 98, 115, 140, 161, 166, 188, 196, 230, 235, 245, 322, 329, 332, 415, 460, 470, 490, 581, 644, 658, 805, 830, 940, 980, 1081, 1127, 1162, 1316, 1610, 1645, 1660, 1909, 2162, 2254, 2303, 2324, 2905, 3220, 3290, 3818, 3901, 4067, 4324, 4508, 4606, 5405, 5635, 5810, 6580, 7567, 7636, 7802, 8134, 9212, 9545, 10810, 11270, 11515, 11620, 13363, 15134, 15604, 16268, 19090, 19505, 20335, 21620, 22540, 23030, 26726, 27307, 30268, 37835, 38180, 39010, 40670, 46060, 52969, 53452, 54614, 66815, 75670, 78020, 81340, 89723, 93541, 105938, 109228, 133630, 136535, 151340, 179446, 187082, 191149, 211876, 264845, 267260, 273070, 358892, 374164, 382298, 448615, 467705, 529690, 546140, 628061, 764596, 897230, 935410, 955745, 1059380, 1256122, 1794460, 1870820, 1911490, 2512244, 3140305, 3822980, 4396427, 6280610, 8792854, 12561220, 17585708, 21982135, 43964270, 87928540]

約数ペア:

[(1, 87928540), (2, 43964270), (4, 21982135), (5, 17585708), (7, 12561220), (10, 8792854), (14, 6280610), (20, 4396427), (23, 3822980), (28, 3140305), (35, 2512244), (46, 1911490), (47, 1870820), (49, 1794460), (70, 1256122), (83, 1059380), (92, 955745), (94, 935410), (98, 897230), (115, 764596), (140, 628061), (161, 546140), (166, 529690), (188, 467705), (196, 448615), (230, 382298), (235, 374164), (245, 358892), (322, 273070), (329, 267260), (332, 264845), (415, 211876), (460, 191149), (470, 187082), (490, 179446), (581, 151340), (644, 136535), (658, 133630), (805, 109228), (830, 105938), (940, 93541), (980, 89723), (1081, 81340), (1127, 78020), (1162, 75670), (1316, 66815), (1610, 54614), (1645, 53452), (1660, 52969), (1909, 46060), (2162, 40670), (2254, 39010), (2303, 38180), (2324, 37835), (2905, 30268), (3220, 27307), (3290, 26726), (3818, 23030), (3901, 22540), (4067, 21620), (4324, 20335), (4508, 19505), (4606, 19090), (5405, 16268), (5635, 15604), (5810, 15134), (6580, 13363), (7567, 11620), (7636, 11515), (7802, 11270), (8134, 10810), (9212, 9545)]