2820235978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{18839}}^1$

素因数の和:18919

約数の個数: 48

約数和(自身を含む): 5274898560

約数和(自身を除く): 2454662582

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 289, 518, 578, 629, 1258, 2023, 4046, 4403, 8806, 10693, 18839, 21386, 37678, 74851, 131873, 149702, 263746, 320263, 640526, 697043, 1394086, 2241841, 4483682, 4879301, 5444471, 9758602, 10888942, 11849731, 23699462, 38111297, 76222594, 82948117, 165896234, 201445427, 402890854, 1410117989, 2820235978]

約数ペア:

[(1, 2820235978), (2, 1410117989), (7, 402890854), (14, 201445427), (17, 165896234), (34, 82948117), (37, 76222594), (74, 38111297), (119, 23699462), (238, 11849731), (259, 10888942), (289, 9758602), (518, 5444471), (578, 4879301), (629, 4483682), (1258, 2241841), (2023, 1394086), (4046, 697043), (4403, 640526), (8806, 320263), (10693, 263746), (18839, 149702), (21386, 131873), (37678, 74851)]