290921274

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40507}}^1$

素因数の和:40544

約数の個数: 64

約数和(自身を含む): 777753600

約数和(自身を除く): 486832326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 3591, 7182, 40507, 81014, 121521, 243042, 283549, 364563, 567098, 729126, 769633, 850647, 1093689, 1539266, 1701294, 2187378, 2308899, 2551941, 4617798, 5103882, 5387431, 6926697, 7655823, 10774862, 13853394, 15311646, 16162293, 20780091, 32324586, 41560182, 48486879, 96973758, 145460637, 290921274]

約数ペア:

[(1, 290921274), (2, 145460637), (3, 96973758), (6, 48486879), (7, 41560182), (9, 32324586), (14, 20780091), (18, 16162293), (19, 15311646), (21, 13853394), (27, 10774862), (38, 7655823), (42, 6926697), (54, 5387431), (57, 5103882), (63, 4617798), (114, 2551941), (126, 2308899), (133, 2187378), (171, 1701294), (189, 1539266), (266, 1093689), (342, 850647), (378, 769633), (399, 729126), (513, 567098), (798, 364563), (1026, 283549), (1197, 243042), (2394, 121521), (3591, 81014), (7182, 40507)]