2019950950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{3659}}^1$

素因数の和:3913

約数の個数: 48

約数和(自身を含む): 3840847920

約数和(自身を除く): 1820896970

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 181, 305, 362, 610, 905, 1525, 1810, 3050, 3659, 4525, 7318, 9050, 11041, 18295, 22082, 36590, 55205, 91475, 110410, 182950, 223199, 276025, 446398, 552050, 662279, 1115995, 1324558, 2231990, 3311395, 5579975, 6622790, 11159950, 16556975, 33113950, 40399019, 80798038, 201995095, 403990190, 1009975475, 2019950950]

約数ペア:

[(1, 2019950950), (2, 1009975475), (5, 403990190), (10, 201995095), (25, 80798038), (50, 40399019), (61, 33113950), (122, 16556975), (181, 11159950), (305, 6622790), (362, 5579975), (610, 3311395), (905, 2231990), (1525, 1324558), (1810, 1115995), (3050, 662279), (3659, 552050), (4525, 446398), (7318, 276025), (9050, 223199), (11041, 182950), (18295, 110410), (22082, 91475), (36590, 55205)]