2989944190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{247717}}^1$

素因数の和:247812

約数の個数: 32

約数和(自身を含む): 5778765504

約数和(自身を除く): 2788821314

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 247717, 495434, 1238585, 2477170, 4211189, 8422378, 17587907, 21055945, 35175814, 42111890, 87939535, 175879070, 298994419, 597988838, 1494972095, 2989944190]

約数ペア:

[(1, 2989944190), (2, 1494972095), (5, 597988838), (10, 298994419), (17, 175879070), (34, 87939535), (71, 42111890), (85, 35175814), (142, 21055945), (170, 17587907), (355, 8422378), (710, 4211189), (1207, 2477170), (2414, 1238585), (6035, 495434), (12070, 247717)]