28496718340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1777}}^1$

素因数の和:2501

約数の個数: 96

約数和(自身を含む): 63480574080

約数和(自身を除く): 34983855740

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 643, 860, 1247, 1286, 1777, 2494, 2572, 3215, 3554, 4988, 6235, 6430, 7108, 8885, 12470, 12860, 17770, 18647, 24940, 27649, 35540, 37294, 51533, 55298, 74588, 76411, 93235, 103066, 110596, 138245, 152822, 186470, 206132, 257665, 276490, 305644, 372940, 382055, 515330, 552980, 764110, 801821, 1030660, 1142611, 1528220, 1603642, 2215919, 2285222, 3207284, 4009105, 4431838, 4570444, 5713055, 8018210, 8863676, 11079595, 11426110, 16036420, 22159190, 22852220, 33135719, 44318380, 49132273, 66271438, 98264546, 132542876, 165678595, 196529092, 245661365, 331357190, 491322730, 662714380, 982645460, 1424835917, 2849671834, 5699343668, 7124179585, 14248359170, 28496718340]

約数ペア:

[(1, 28496718340), (2, 14248359170), (4, 7124179585), (5, 5699343668), (10, 2849671834), (20, 1424835917), (29, 982645460), (43, 662714380), (58, 491322730), (86, 331357190), (116, 245661365), (145, 196529092), (172, 165678595), (215, 132542876), (290, 98264546), (430, 66271438), (580, 49132273), (643, 44318380), (860, 33135719), (1247, 22852220), (1286, 22159190), (1777, 16036420), (2494, 11426110), (2572, 11079595), (3215, 8863676), (3554, 8018210), (4988, 5713055), (6235, 4570444), (6430, 4431838), (7108, 4009105), (8885, 3207284), (12470, 2285222), (12860, 2215919), (17770, 1603642), (18647, 1528220), (24940, 1142611), (27649, 1030660), (35540, 801821), (37294, 764110), (51533, 552980), (55298, 515330), (74588, 382055), (76411, 372940), (93235, 305644), (103066, 276490), (110596, 257665), (138245, 206132), (152822, 186470)]