87997360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 236408976

約数和(自身を除く): 148411616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 277, 304, 361, 380, 418, 440, 554, 722, 760, 836, 880, 1045, 1108, 1385, 1444, 1520, 1672, 1805, 2090, 2216, 2770, 2888, 3047, 3344, 3610, 3971, 4180, 4432, 5263, 5540, 5776, 6094, 7220, 7942, 8360, 10526, 11080, 12188, 14440, 15235, 15884, 16720, 19855, 21052, 22160, 24376, 26315, 28880, 30470, 31768, 39710, 42104, 48752, 52630, 57893, 60940, 63536, 79420, 84208, 99997, 105260, 115786, 121880, 158840, 199994, 210520, 231572, 243760, 289465, 317680, 399988, 421040, 463144, 499985, 578930, 799976, 926288, 999970, 1099967, 1157860, 1599952, 1999940, 2199934, 2315720, 3999880, 4399868, 4631440, 5499835, 7999760, 8799736, 10999670, 17599472, 21999340, 43998680, 87997360]

約数ペア:

[(1, 87997360), (2, 43998680), (4, 21999340), (5, 17599472), (8, 10999670), (10, 8799736), (11, 7999760), (16, 5499835), (19, 4631440), (20, 4399868), (22, 3999880), (38, 2315720), (40, 2199934), (44, 1999940), (55, 1599952), (76, 1157860), (80, 1099967), (88, 999970), (95, 926288), (110, 799976), (152, 578930), (176, 499985), (190, 463144), (209, 421040), (220, 399988), (277, 317680), (304, 289465), (361, 243760), (380, 231572), (418, 210520), (440, 199994), (554, 158840), (722, 121880), (760, 115786), (836, 105260), (880, 99997), (1045, 84208), (1108, 79420), (1385, 63536), (1444, 60940), (1520, 57893), (1672, 52630), (1805, 48752), (2090, 42104), (2216, 39710), (2770, 31768), (2888, 30470), (3047, 28880), (3344, 26315), (3610, 24376), (3971, 22160), (4180, 21052), (4432, 19855), (5263, 16720), (5540, 15884), (5776, 15235), (6094, 14440), (7220, 12188), (7942, 11080), (8360, 10526)]