140008520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 328633200

約数和(自身を除く): 188624680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 232, 274, 290, 548, 580, 685, 881, 1096, 1160, 1370, 1762, 2740, 3524, 3973, 4405, 5480, 7048, 7946, 8810, 15892, 17620, 19865, 25549, 31784, 35240, 39730, 51098, 79460, 102196, 120697, 127745, 158920, 204392, 241394, 255490, 482788, 510980, 603485, 965576, 1021960, 1206970, 2413940, 3500213, 4827880, 7000426, 14000852, 17501065, 28001704, 35002130, 70004260, 140008520]

約数ペア:

[(1, 140008520), (2, 70004260), (4, 35002130), (5, 28001704), (8, 17501065), (10, 14000852), (20, 7000426), (29, 4827880), (40, 3500213), (58, 2413940), (116, 1206970), (137, 1021960), (145, 965576), (232, 603485), (274, 510980), (290, 482788), (548, 255490), (580, 241394), (685, 204392), (881, 158920), (1096, 127745), (1160, 120697), (1370, 102196), (1762, 79460), (2740, 51098), (3524, 39730), (3973, 35240), (4405, 31784), (5480, 25549), (7048, 19865), (7946, 17620), (8810, 15892)]