221567120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{162917}}^1$

素因数の和:162947

約数の個数: 40

約数和(自身を含む): 545449464

約数和(自身を除く): 323882344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 162917, 325834, 651668, 814585, 1303336, 1629170, 2606672, 2769589, 3258340, 5539178, 6516680, 11078356, 13033360, 13847945, 22156712, 27695890, 44313424, 55391780, 110783560, 221567120]

約数ペア:

[(1, 221567120), (2, 110783560), (4, 55391780), (5, 44313424), (8, 27695890), (10, 22156712), (16, 13847945), (17, 13033360), (20, 11078356), (34, 6516680), (40, 5539178), (68, 3258340), (80, 2769589), (85, 2606672), (136, 1629170), (170, 1303336), (272, 814585), (340, 651668), (680, 325834), (1360, 162917)]