667775675

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 1018300896

約数和(自身を除く): 350525221

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 137, 161, 173, 175, 245, 575, 685, 805, 865, 959, 1127, 1211, 1225, 3151, 3425, 3979, 4025, 4325, 4795, 5635, 6055, 6713, 8477, 15755, 19895, 22057, 23701, 23975, 27853, 28175, 30275, 33565, 42385, 78775, 99475, 110285, 118505, 139265, 154399, 165907, 167825, 194971, 211925, 545123, 551425, 592525, 696325, 771995, 829535, 974855, 1161349, 2725615, 3815861, 3859975, 4147675, 4874275, 5806745, 13628075, 19079305, 26711027, 29033725, 95396525, 133555135, 667775675]

約数ペア:

[(1, 667775675), (5, 133555135), (7, 95396525), (23, 29033725), (25, 26711027), (35, 19079305), (49, 13628075), (115, 5806745), (137, 4874275), (161, 4147675), (173, 3859975), (175, 3815861), (245, 2725615), (575, 1161349), (685, 974855), (805, 829535), (865, 771995), (959, 696325), (1127, 592525), (1211, 551425), (1225, 545123), (3151, 211925), (3425, 194971), (3979, 167825), (4025, 165907), (4325, 154399), (4795, 139265), (5635, 118505), (6055, 110285), (6713, 99475), (8477, 78775), (15755, 42385), (19895, 33565), (22057, 30275), (23701, 28175), (23975, 27853)]