329197880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 844274880

約数和(自身を除く): 515077000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 73, 74, 88, 110, 146, 148, 185, 220, 277, 292, 296, 365, 370, 407, 440, 554, 584, 730, 740, 803, 814, 1108, 1385, 1460, 1480, 1606, 1628, 2035, 2216, 2701, 2770, 2920, 3047, 3212, 3256, 4015, 4070, 5402, 5540, 6094, 6424, 8030, 8140, 10249, 10804, 11080, 12188, 13505, 15235, 16060, 16280, 20221, 20498, 21608, 24376, 27010, 29711, 30470, 32120, 40442, 40996, 51245, 54020, 59422, 60940, 80884, 81992, 101105, 102490, 108040, 112739, 118844, 121880, 148555, 161768, 202210, 204980, 222431, 225478, 237688, 297110, 404420, 409960, 444862, 450956, 563695, 594220, 748177, 808840, 889724, 901912, 1112155, 1127390, 1188440, 1496354, 1779448, 2224310, 2254780, 2992708, 3740885, 4448620, 4509560, 5985416, 7481770, 8229947, 8897240, 14963540, 16459894, 29927080, 32919788, 41149735, 65839576, 82299470, 164598940, 329197880]

約数ペア:

[(1, 329197880), (2, 164598940), (4, 82299470), (5, 65839576), (8, 41149735), (10, 32919788), (11, 29927080), (20, 16459894), (22, 14963540), (37, 8897240), (40, 8229947), (44, 7481770), (55, 5985416), (73, 4509560), (74, 4448620), (88, 3740885), (110, 2992708), (146, 2254780), (148, 2224310), (185, 1779448), (220, 1496354), (277, 1188440), (292, 1127390), (296, 1112155), (365, 901912), (370, 889724), (407, 808840), (440, 748177), (554, 594220), (584, 563695), (730, 450956), (740, 444862), (803, 409960), (814, 404420), (1108, 297110), (1385, 237688), (1460, 225478), (1480, 222431), (1606, 204980), (1628, 202210), (2035, 161768), (2216, 148555), (2701, 121880), (2770, 118844), (2920, 112739), (3047, 108040), (3212, 102490), (3256, 101105), (4015, 81992), (4070, 80884), (5402, 60940), (5540, 59422), (6094, 54020), (6424, 51245), (8030, 40996), (8140, 40442), (10249, 32120), (10804, 30470), (11080, 29711), (12188, 27010), (13505, 24376), (15235, 21608), (16060, 20498), (16280, 20221)]