865456460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 2099623680

約数和(自身を除く): 1234167220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 197, 209, 220, 380, 394, 418, 788, 836, 985, 1045, 1051, 1970, 2090, 2102, 2167, 3743, 3940, 4180, 4204, 4334, 5255, 7486, 8668, 10510, 10835, 11561, 14972, 18715, 19969, 21020, 21670, 23122, 37430, 39938, 41173, 43340, 46244, 57805, 74860, 79876, 82346, 99845, 115610, 164692, 199690, 205865, 207047, 219659, 231220, 399380, 411730, 414094, 439318, 823460, 828188, 878636, 1035235, 1098295, 2070470, 2196590, 2277517, 3933893, 4140940, 4393180, 4555034, 7867786, 9110068, 11387585, 15735572, 19669465, 22775170, 39338930, 43272823, 45550340, 78677860, 86545646, 173091292, 216364115, 432728230, 865456460]

約数ペア:

[(1, 865456460), (2, 432728230), (4, 216364115), (5, 173091292), (10, 86545646), (11, 78677860), (19, 45550340), (20, 43272823), (22, 39338930), (38, 22775170), (44, 19669465), (55, 15735572), (76, 11387585), (95, 9110068), (110, 7867786), (190, 4555034), (197, 4393180), (209, 4140940), (220, 3933893), (380, 2277517), (394, 2196590), (418, 2070470), (788, 1098295), (836, 1035235), (985, 878636), (1045, 828188), (1051, 823460), (1970, 439318), (2090, 414094), (2102, 411730), (2167, 399380), (3743, 231220), (3940, 219659), (4180, 207047), (4204, 205865), (4334, 199690), (5255, 164692), (7486, 115610), (8668, 99845), (10510, 82346), (10835, 79876), (11561, 74860), (14972, 57805), (18715, 46244), (19969, 43340), (21020, 41173), (21670, 39938), (23122, 37430)]