166334440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 215207960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 137, 239, 254, 274, 478, 508, 548, 635, 685, 956, 1016, 1096, 1195, 1270, 1370, 1912, 2390, 2540, 2740, 4780, 5080, 5480, 9560, 17399, 30353, 32743, 34798, 60706, 65486, 69596, 86995, 121412, 130972, 139192, 151765, 163715, 173990, 242824, 261944, 303530, 327430, 347980, 607060, 654860, 695960, 1214120, 1309720, 4158361, 8316722, 16633444, 20791805, 33266888, 41583610, 83167220, 166334440]

約数ペア:

[(1, 166334440), (2, 83167220), (4, 41583610), (5, 33266888), (8, 20791805), (10, 16633444), (20, 8316722), (40, 4158361), (127, 1309720), (137, 1214120), (239, 695960), (254, 654860), (274, 607060), (478, 347980), (508, 327430), (548, 303530), (635, 261944), (685, 242824), (956, 173990), (1016, 163715), (1096, 151765), (1195, 139192), (1270, 130972), (1370, 121412), (1912, 86995), (2390, 69596), (2540, 65486), (2740, 60706), (4780, 34798), (5080, 32743), (5480, 30353), (9560, 17399)]