408095672020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20262943}}^1$

素因数の和:20263024

約数の個数: 48

約数和(自身を含む): 919127139840

約数和(自身を除く): 511031467820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 10070, 20140, 20262943, 40525886, 81051772, 101314715, 202629430, 384995917, 405258860, 769991834, 1073935979, 1539983668, 1924979585, 2147871958, 3849959170, 4295743916, 5369679895, 7699918340, 10739359790, 20404783601, 21478719580, 40809567202, 81619134404, 102023918005, 204047836010, 408095672020]

約数ペア:

[(1, 408095672020), (2, 204047836010), (4, 102023918005), (5, 81619134404), (10, 40809567202), (19, 21478719580), (20, 20404783601), (38, 10739359790), (53, 7699918340), (76, 5369679895), (95, 4295743916), (106, 3849959170), (190, 2147871958), (212, 1924979585), (265, 1539983668), (380, 1073935979), (530, 769991834), (1007, 405258860), (1060, 384995917), (2014, 202629430), (4028, 101314715), (5035, 81051772), (10070, 40525886), (20140, 20262943)]