66619910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1821

約数の個数: 48

約数和(自身を含む): 141341760

約数和(自身を除く): 74721850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 790, 1106, 1721, 2765, 3442, 3871, 5530, 7742, 8605, 12047, 17210, 19355, 24094, 38710, 60235, 84329, 120470, 135959, 168658, 271918, 421645, 679795, 843290, 951713, 1359590, 1903426, 4758565, 6661991, 9517130, 13323982, 33309955, 66619910]

約数ペア:

[(1, 66619910), (2, 33309955), (5, 13323982), (7, 9517130), (10, 6661991), (14, 4758565), (35, 1903426), (49, 1359590), (70, 951713), (79, 843290), (98, 679795), (158, 421645), (245, 271918), (395, 168658), (490, 135959), (553, 120470), (790, 84329), (1106, 60235), (1721, 38710), (2765, 24094), (3442, 19355), (3871, 17210), (5530, 12047), (7742, 8605)]