220909312

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 486758160

約数和(自身を除く): 265848848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 256, 328, 416, 533, 656, 832, 1066, 1312, 1619, 1664, 2132, 2624, 3238, 3328, 4264, 5248, 6476, 8528, 10496, 12952, 17056, 21047, 25904, 34112, 42094, 51808, 66379, 68224, 84188, 103616, 132758, 136448, 168376, 207232, 265516, 336752, 414464, 531032, 673504, 862927, 1062064, 1347008, 1725854, 2124128, 2694016, 3451708, 4248256, 5388032, 6903416, 8496512, 13806832, 16993024, 27613664, 55227328, 110454656, 220909312]

約数ペア:

[(1, 220909312), (2, 110454656), (4, 55227328), (8, 27613664), (13, 16993024), (16, 13806832), (26, 8496512), (32, 6903416), (41, 5388032), (52, 4248256), (64, 3451708), (82, 2694016), (104, 2124128), (128, 1725854), (164, 1347008), (208, 1062064), (256, 862927), (328, 673504), (416, 531032), (533, 414464), (656, 336752), (832, 265516), (1066, 207232), (1312, 168376), (1619, 136448), (1664, 132758), (2132, 103616), (2624, 84188), (3238, 68224), (3328, 66379), (4264, 51808), (5248, 42094), (6476, 34112), (8528, 25904), (10496, 21047), (12952, 17056)]