291337990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 529934400

約数和(自身を除く): 238596410

約数列:

[1, 2, 5, 10, 199, 281, 398, 521, 562, 995, 1042, 1405, 1990, 2605, 2810, 5210, 55919, 103679, 111838, 146401, 207358, 279595, 292802, 518395, 559190, 732005, 1036790, 1464010, 29133799, 58267598, 145668995, 291337990]

約数ペア:

[(1, 291337990), (2, 145668995), (5, 58267598), (10, 29133799), (199, 1464010), (281, 1036790), (398, 732005), (521, 559190), (562, 518395), (995, 292802), (1042, 279595), (1405, 207358), (1990, 146401), (2605, 111838), (2810, 103679), (5210, 55919)]