28965510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 96

約数和(自身を含む): 89856000

約数和(自身を除く): 60890490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 1999, 2070, 2415, 2898, 3998, 4830, 5997, 7245, 9995, 11994, 13993, 14490, 17991, 19990, 27986, 29985, 35982, 41979, 45977, 59970, 69965, 83958, 89955, 91954, 125937, 137931, 139930, 179910, 209895, 229885, 251874, 275862, 321839, 413793, 419790, 459770, 629685, 643678, 689655, 827586, 965517, 1259370, 1379310, 1609195, 1931034, 2068965, 2896551, 3218390, 4137930, 4827585, 5793102, 9655170, 14482755, 28965510]

約数ペア:

[(1, 28965510), (2, 14482755), (3, 9655170), (5, 5793102), (6, 4827585), (7, 4137930), (9, 3218390), (10, 2896551), (14, 2068965), (15, 1931034), (18, 1609195), (21, 1379310), (23, 1259370), (30, 965517), (35, 827586), (42, 689655), (45, 643678), (46, 629685), (63, 459770), (69, 419790), (70, 413793), (90, 321839), (105, 275862), (115, 251874), (126, 229885), (138, 209895), (161, 179910), (207, 139930), (210, 137931), (230, 125937), (315, 91954), (322, 89955), (345, 83958), (414, 69965), (483, 59970), (630, 45977), (690, 41979), (805, 35982), (966, 29985), (1035, 27986), (1449, 19990), (1610, 17991), (1999, 14490), (2070, 13993), (2415, 11994), (2898, 9995), (3998, 7245), (4830, 5997)]