211463820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19259}}^1$

素因数の和:19335

約数の個数: 72

約数和(自身を含む): 651989520

約数和(自身を除く): 440525700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 19259, 38518, 57777, 77036, 96295, 115554, 173331, 192590, 231108, 288885, 346662, 385180, 577770, 693324, 866655, 1155540, 1174799, 1733310, 2349598, 3466620, 3524397, 4699196, 5873995, 7048794, 10573191, 11747990, 14097588, 17621985, 21146382, 23495980, 35243970, 42292764, 52865955, 70487940, 105731910, 211463820]

約数ペア:

[(1, 211463820), (2, 105731910), (3, 70487940), (4, 52865955), (5, 42292764), (6, 35243970), (9, 23495980), (10, 21146382), (12, 17621985), (15, 14097588), (18, 11747990), (20, 10573191), (30, 7048794), (36, 5873995), (45, 4699196), (60, 3524397), (61, 3466620), (90, 2349598), (122, 1733310), (180, 1174799), (183, 1155540), (244, 866655), (305, 693324), (366, 577770), (549, 385180), (610, 346662), (732, 288885), (915, 231108), (1098, 192590), (1220, 173331), (1830, 115554), (2196, 96295), (2745, 77036), (3660, 57777), (5490, 38518), (10980, 19259)]