389907504

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{55259}}^1$

素因数の和:55287

約数の個数: 90

約数和(自身を含む): 1269377460

約数和(自身を除く): 879469956

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 55259, 110518, 165777, 221036, 331554, 386813, 442072, 497331, 663108, 773626, 884144, 994662, 1160439, 1326216, 1547252, 1989324, 2320878, 2652432, 2707691, 3094504, 3481317, 3978648, 4641756, 5415382, 6189008, 6962634, 7957296, 8123073, 9283512, 10830764, 13925268, 16246146, 18567024, 21661528, 24369219, 27850536, 32492292, 43323056, 48738438, 55701072, 64984584, 97476876, 129969168, 194953752, 389907504]

約数ペア:

[(1, 389907504), (2, 194953752), (3, 129969168), (4, 97476876), (6, 64984584), (7, 55701072), (8, 48738438), (9, 43323056), (12, 32492292), (14, 27850536), (16, 24369219), (18, 21661528), (21, 18567024), (24, 16246146), (28, 13925268), (36, 10830764), (42, 9283512), (48, 8123073), (49, 7957296), (56, 6962634), (63, 6189008), (72, 5415382), (84, 4641756), (98, 3978648), (112, 3481317), (126, 3094504), (144, 2707691), (147, 2652432), (168, 2320878), (196, 1989324), (252, 1547252), (294, 1326216), (336, 1160439), (392, 994662), (441, 884144), (504, 773626), (588, 663108), (784, 497331), (882, 442072), (1008, 386813), (1176, 331554), (1764, 221036), (2352, 165777), (3528, 110518), (7056, 55259)]