31953460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20749}}^1$

素因数の和:20776

約数の個数: 48

約数和(自身を含む): 83664000

約数和(自身を除く): 51710540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20749, 41498, 82996, 103745, 145243, 207490, 228239, 290486, 414980, 456478, 580972, 726215, 912956, 1141195, 1452430, 1597673, 2282390, 2904860, 3195346, 4564780, 6390692, 7988365, 15976730, 31953460]

約数ペア:

[(1, 31953460), (2, 15976730), (4, 7988365), (5, 6390692), (7, 4564780), (10, 3195346), (11, 2904860), (14, 2282390), (20, 1597673), (22, 1452430), (28, 1141195), (35, 912956), (44, 726215), (55, 580972), (70, 456478), (77, 414980), (110, 290486), (140, 228239), (154, 207490), (220, 145243), (308, 103745), (385, 82996), (770, 41498), (1540, 20749)]