138481252

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 337841280

約数和(自身を除く): 199360028

約数列:

[1, 2, 4, 7, 13, 14, 17, 23, 26, 28, 34, 46, 49, 52, 68, 91, 92, 98, 119, 139, 161, 182, 196, 221, 238, 278, 299, 322, 364, 391, 442, 476, 556, 598, 637, 644, 782, 833, 884, 973, 1127, 1196, 1274, 1547, 1564, 1666, 1807, 1946, 2093, 2254, 2363, 2548, 2737, 3094, 3197, 3332, 3614, 3892, 4186, 4508, 4726, 5083, 5474, 6188, 6394, 6811, 7228, 8372, 9452, 10166, 10829, 10948, 12649, 12788, 13622, 14651, 16541, 19159, 20332, 21658, 22379, 25298, 27244, 29302, 30719, 33082, 35581, 38318, 41561, 43316, 44758, 50596, 54349, 58604, 61438, 66164, 71162, 76636, 83122, 88543, 89516, 108698, 115787, 122876, 142324, 156653, 166244, 177086, 215033, 217396, 231574, 249067, 290927, 313306, 354172, 380443, 430066, 463148, 498134, 581854, 626612, 706537, 760886, 860132, 996268, 1163708, 1413074, 1505231, 1521772, 2036489, 2663101, 2826148, 3010462, 4072978, 4945759, 5326202, 6020924, 8145956, 9891518, 10652404, 19783036, 34620313, 69240626, 138481252]

約数ペア:

[(1, 138481252), (2, 69240626), (4, 34620313), (7, 19783036), (13, 10652404), (14, 9891518), (17, 8145956), (23, 6020924), (26, 5326202), (28, 4945759), (34, 4072978), (46, 3010462), (49, 2826148), (52, 2663101), (68, 2036489), (91, 1521772), (92, 1505231), (98, 1413074), (119, 1163708), (139, 996268), (161, 860132), (182, 760886), (196, 706537), (221, 626612), (238, 581854), (278, 498134), (299, 463148), (322, 430066), (364, 380443), (391, 354172), (442, 313306), (476, 290927), (556, 249067), (598, 231574), (637, 217396), (644, 215033), (782, 177086), (833, 166244), (884, 156653), (973, 142324), (1127, 122876), (1196, 115787), (1274, 108698), (1547, 89516), (1564, 88543), (1666, 83122), (1807, 76636), (1946, 71162), (2093, 66164), (2254, 61438), (2363, 58604), (2548, 54349), (2737, 50596), (3094, 44758), (3197, 43316), (3332, 41561), (3614, 38318), (3892, 35581), (4186, 33082), (4508, 30719), (4726, 29302), (5083, 27244), (5474, 25298), (6188, 22379), (6394, 21658), (6811, 20332), (7228, 19159), (8372, 16541), (9452, 14651), (10166, 13622), (10829, 12788), (10948, 12649)]