2721290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 5831784

約数和(自身を除く): 3110494

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 173, 242, 286, 346, 605, 715, 865, 1210, 1430, 1573, 1730, 1903, 2249, 3146, 3806, 4498, 7865, 9515, 11245, 15730, 19030, 20933, 22490, 24739, 41866, 49478, 104665, 123695, 209330, 247390, 272129, 544258, 1360645, 2721290]

約数ペア:

[(1, 2721290), (2, 1360645), (5, 544258), (10, 272129), (11, 247390), (13, 209330), (22, 123695), (26, 104665), (55, 49478), (65, 41866), (110, 24739), (121, 22490), (130, 20933), (143, 19030), (173, 15730), (242, 11245), (286, 9515), (346, 7865), (605, 4498), (715, 3806), (865, 3146), (1210, 2249), (1430, 1903), (1573, 1730)]