87998680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28571}}^1$

素因数の和:28600

約数の個数: 64

約数和(自身を含む): 246862080

約数和(自身を除く): 158863400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 28571, 57142, 114284, 142855, 199997, 228568, 285710, 314281, 399994, 571420, 628562, 799988, 999985, 1142840, 1257124, 1571405, 1599976, 1999970, 2199967, 2514248, 3142810, 3999940, 4399934, 6285620, 7999880, 8799868, 10999835, 12571240, 17599736, 21999670, 43999340, 87998680]

約数ペア:

[(1, 87998680), (2, 43999340), (4, 21999670), (5, 17599736), (7, 12571240), (8, 10999835), (10, 8799868), (11, 7999880), (14, 6285620), (20, 4399934), (22, 3999940), (28, 3142810), (35, 2514248), (40, 2199967), (44, 1999970), (55, 1599976), (56, 1571405), (70, 1257124), (77, 1142840), (88, 999985), (110, 799988), (140, 628562), (154, 571420), (220, 399994), (280, 314281), (308, 285710), (385, 228568), (440, 199997), (616, 142855), (770, 114284), (1540, 57142), (3080, 28571)]