199909070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5813}}^1$

素因数の和:6020

約数の個数: 32

約数和(自身を含む): 380933280

約数和(自身を除く): 181024210

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 5813, 6878, 11626, 17195, 29065, 34390, 58130, 110447, 220894, 552235, 1052153, 1104470, 2104306, 5260765, 10521530, 19990907, 39981814, 99954535, 199909070]

約数ペア:

[(1, 199909070), (2, 99954535), (5, 39981814), (10, 19990907), (19, 10521530), (38, 5260765), (95, 2104306), (181, 1104470), (190, 1052153), (362, 552235), (905, 220894), (1810, 110447), (3439, 58130), (5813, 34390), (6878, 29065), (11626, 17195)]