349028820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{277007}}^1$

素因数の和:277029

約数の個数: 72

約数和(自身を含む): 1209970944

約数和(自身を除く): 860942124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 277007, 554014, 831021, 1108028, 1385035, 1662042, 1939049, 2493063, 2770070, 3324084, 3878098, 4155105, 4986126, 5540140, 5817147, 7756196, 8310210, 9695245, 9972252, 11634294, 12465315, 16620420, 17451441, 19390490, 23268588, 24930630, 29085735, 34902882, 38780980, 49861260, 58171470, 69805764, 87257205, 116342940, 174514410, 349028820]

約数ペア:

[(1, 349028820), (2, 174514410), (3, 116342940), (4, 87257205), (5, 69805764), (6, 58171470), (7, 49861260), (9, 38780980), (10, 34902882), (12, 29085735), (14, 24930630), (15, 23268588), (18, 19390490), (20, 17451441), (21, 16620420), (28, 12465315), (30, 11634294), (35, 9972252), (36, 9695245), (42, 8310210), (45, 7756196), (60, 5817147), (63, 5540140), (70, 4986126), (84, 4155105), (90, 3878098), (105, 3324084), (126, 2770070), (140, 2493063), (180, 1939049), (210, 1662042), (252, 1385035), (315, 1108028), (420, 831021), (630, 554014), (1260, 277007)]