1877012020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1589

約数の個数: 72

約数和(自身を含む): 4280210424

約数和(自身を除く): 2403198404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 557, 676, 845, 997, 1114, 1690, 1994, 2228, 2785, 3380, 3988, 4985, 5570, 7241, 9970, 11140, 12961, 14482, 19940, 25922, 28964, 36205, 51844, 64805, 72410, 94133, 129610, 144820, 168493, 188266, 259220, 336986, 376532, 470665, 555329, 673972, 842465, 941330, 1110658, 1684930, 1882660, 2221316, 2776645, 3369860, 5553290, 7219277, 11106580, 14438554, 28877108, 36096385, 72192770, 93850601, 144385540, 187701202, 375402404, 469253005, 938506010, 1877012020]

約数ペア:

[(1, 1877012020), (2, 938506010), (4, 469253005), (5, 375402404), (10, 187701202), (13, 144385540), (20, 93850601), (26, 72192770), (52, 36096385), (65, 28877108), (130, 14438554), (169, 11106580), (260, 7219277), (338, 5553290), (557, 3369860), (676, 2776645), (845, 2221316), (997, 1882660), (1114, 1684930), (1690, 1110658), (1994, 941330), (2228, 842465), (2785, 673972), (3380, 555329), (3988, 470665), (4985, 376532), (5570, 336986), (7241, 259220), (9970, 188266), (11140, 168493), (12961, 144820), (14482, 129610), (19940, 94133), (25922, 72410), (28964, 64805), (36205, 51844)]