138439180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 334430208

約数和(自身を除く): 195991028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 53, 55, 62, 106, 110, 124, 155, 212, 220, 265, 310, 341, 383, 530, 583, 620, 682, 766, 1060, 1166, 1364, 1532, 1643, 1705, 1915, 2332, 2915, 3286, 3410, 3830, 4213, 5830, 6572, 6820, 7660, 8215, 8426, 11660, 11873, 16430, 16852, 18073, 20299, 21065, 23746, 32860, 36146, 40598, 42130, 47492, 59365, 72292, 81196, 84260, 90365, 101495, 118730, 130603, 180730, 202990, 223289, 237460, 261206, 361460, 405980, 446578, 522412, 629269, 653015, 893156, 1116445, 1258538, 1306030, 2232890, 2517076, 2612060, 3146345, 4465780, 6292690, 6921959, 12585380, 13843918, 27687836, 34609795, 69219590, 138439180]

約数ペア:

[(1, 138439180), (2, 69219590), (4, 34609795), (5, 27687836), (10, 13843918), (11, 12585380), (20, 6921959), (22, 6292690), (31, 4465780), (44, 3146345), (53, 2612060), (55, 2517076), (62, 2232890), (106, 1306030), (110, 1258538), (124, 1116445), (155, 893156), (212, 653015), (220, 629269), (265, 522412), (310, 446578), (341, 405980), (383, 361460), (530, 261206), (583, 237460), (620, 223289), (682, 202990), (766, 180730), (1060, 130603), (1166, 118730), (1364, 101495), (1532, 90365), (1643, 84260), (1705, 81196), (1915, 72292), (2332, 59365), (2915, 47492), (3286, 42130), (3410, 40598), (3830, 36146), (4213, 32860), (5830, 23746), (6572, 21065), (6820, 20299), (7660, 18073), (8215, 16852), (8426, 16430), (11660, 11873)]