56504890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 114307200

約数和(自身を除く): 57802310

約数列:

[1, 2, 5, 10, 13, 26, 53, 59, 65, 106, 118, 130, 139, 265, 278, 295, 530, 590, 689, 695, 767, 1378, 1390, 1534, 1807, 3127, 3445, 3614, 3835, 6254, 6890, 7367, 7670, 8201, 9035, 14734, 15635, 16402, 18070, 31270, 36835, 40651, 41005, 73670, 81302, 82010, 95771, 106613, 191542, 203255, 213226, 406510, 434653, 478855, 533065, 869306, 957710, 1066130, 2173265, 4346530, 5650489, 11300978, 28252445, 56504890]

約数ペア:

[(1, 56504890), (2, 28252445), (5, 11300978), (10, 5650489), (13, 4346530), (26, 2173265), (53, 1066130), (59, 957710), (65, 869306), (106, 533065), (118, 478855), (130, 434653), (139, 406510), (265, 213226), (278, 203255), (295, 191542), (530, 106613), (590, 95771), (689, 82010), (695, 81302), (767, 73670), (1378, 41005), (1390, 40651), (1534, 36835), (1807, 31270), (3127, 18070), (3445, 16402), (3614, 15635), (3835, 14734), (6254, 9035), (6890, 8201), (7367, 7670)]