209997690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52631}}^1$

素因数の和:52667

約数の個数: 64

約数和(自身を含む): 606320640

約数和(自身を除く): 396322950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 52631, 105262, 157893, 263155, 315786, 368417, 526310, 736834, 789465, 999989, 1105251, 1578930, 1842085, 1999978, 2210502, 2999967, 3684170, 4999945, 5526255, 5999934, 6999923, 9999890, 11052510, 13999846, 14999835, 20999769, 29999670, 34999615, 41999538, 69999230, 104998845, 209997690]

約数ペア:

[(1, 209997690), (2, 104998845), (3, 69999230), (5, 41999538), (6, 34999615), (7, 29999670), (10, 20999769), (14, 14999835), (15, 13999846), (19, 11052510), (21, 9999890), (30, 6999923), (35, 5999934), (38, 5526255), (42, 4999945), (57, 3684170), (70, 2999967), (95, 2210502), (105, 1999978), (114, 1842085), (133, 1578930), (190, 1105251), (210, 999989), (266, 789465), (285, 736834), (399, 526310), (570, 368417), (665, 315786), (798, 263155), (1330, 157893), (1995, 105262), (3990, 52631)]