220154060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{811}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 540411984

約数和(自身を除く): 320257924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 277, 490, 554, 811, 980, 1108, 1385, 1622, 1939, 2770, 3244, 3878, 4055, 5540, 5677, 7756, 8110, 9695, 11354, 13573, 16220, 19390, 22708, 27146, 28385, 38780, 39739, 54292, 56770, 67865, 79478, 113540, 135730, 158956, 198695, 224647, 271460, 397390, 449294, 794780, 898588, 1123235, 1572529, 2246470, 3145058, 4492940, 6290116, 7862645, 11007703, 15725290, 22015406, 31450580, 44030812, 55038515, 110077030, 220154060]

約数ペア:

[(1, 220154060), (2, 110077030), (4, 55038515), (5, 44030812), (7, 31450580), (10, 22015406), (14, 15725290), (20, 11007703), (28, 7862645), (35, 6290116), (49, 4492940), (70, 3145058), (98, 2246470), (140, 1572529), (196, 1123235), (245, 898588), (277, 794780), (490, 449294), (554, 397390), (811, 271460), (980, 224647), (1108, 198695), (1385, 158956), (1622, 135730), (1939, 113540), (2770, 79478), (3244, 67865), (3878, 56770), (4055, 54292), (5540, 39739), (5677, 38780), (7756, 28385), (8110, 27146), (9695, 22708), (11354, 19390), (13573, 16220)]