78197920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 96

約数和(自身を含む): 201398400

約数和(自身を除く): 123200480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 380, 464, 551, 580, 608, 760, 887, 928, 1102, 1160, 1520, 1774, 2204, 2320, 2755, 3040, 3548, 4408, 4435, 4640, 5510, 7096, 8816, 8870, 11020, 14192, 16853, 17632, 17740, 22040, 25723, 28384, 33706, 35480, 44080, 51446, 67412, 70960, 84265, 88160, 102892, 128615, 134824, 141920, 168530, 205784, 257230, 269648, 337060, 411568, 488737, 514460, 539296, 674120, 823136, 977474, 1028920, 1348240, 1954948, 2057840, 2443685, 2696480, 3909896, 4115680, 4887370, 7819792, 9774740, 15639584, 19549480, 39098960, 78197920]

約数ペア:

[(1, 78197920), (2, 39098960), (4, 19549480), (5, 15639584), (8, 9774740), (10, 7819792), (16, 4887370), (19, 4115680), (20, 3909896), (29, 2696480), (32, 2443685), (38, 2057840), (40, 1954948), (58, 1348240), (76, 1028920), (80, 977474), (95, 823136), (116, 674120), (145, 539296), (152, 514460), (160, 488737), (190, 411568), (232, 337060), (290, 269648), (304, 257230), (380, 205784), (464, 168530), (551, 141920), (580, 134824), (608, 128615), (760, 102892), (887, 88160), (928, 84265), (1102, 70960), (1160, 67412), (1520, 51446), (1774, 44080), (2204, 35480), (2320, 33706), (2755, 28384), (3040, 25723), (3548, 22040), (4408, 17740), (4435, 17632), (4640, 16853), (5510, 14192), (7096, 11020), (8816, 8870)]