199123190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 429871104

約数和(自身を除く): 230747914

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 337, 367, 674, 734, 805, 1610, 1685, 1835, 2359, 2569, 3370, 3670, 4718, 5138, 7751, 8441, 11795, 12845, 15502, 16882, 23590, 25690, 38755, 42205, 54257, 59087, 77510, 84410, 108514, 118174, 123679, 247358, 271285, 295435, 542570, 590870, 618395, 865753, 1236790, 1731506, 2844617, 4328765, 5689234, 8657530, 14223085, 19912319, 28446170, 39824638, 99561595, 199123190]

約数ペア:

[(1, 199123190), (2, 99561595), (5, 39824638), (7, 28446170), (10, 19912319), (14, 14223085), (23, 8657530), (35, 5689234), (46, 4328765), (70, 2844617), (115, 1731506), (161, 1236790), (230, 865753), (322, 618395), (337, 590870), (367, 542570), (674, 295435), (734, 271285), (805, 247358), (1610, 123679), (1685, 118174), (1835, 108514), (2359, 84410), (2569, 77510), (3370, 59087), (3670, 54257), (4718, 42205), (5138, 38755), (7751, 25690), (8441, 23590), (11795, 16882), (12845, 15502)]