2148520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 5572800

約数和(自身を除く): 3424280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 257, 380, 418, 440, 514, 760, 836, 1028, 1045, 1285, 1672, 2056, 2090, 2570, 2827, 4180, 4883, 5140, 5654, 8360, 9766, 10280, 11308, 14135, 19532, 22616, 24415, 28270, 39064, 48830, 53713, 56540, 97660, 107426, 113080, 195320, 214852, 268565, 429704, 537130, 1074260, 2148520]

約数ペア:

[(1, 2148520), (2, 1074260), (4, 537130), (5, 429704), (8, 268565), (10, 214852), (11, 195320), (19, 113080), (20, 107426), (22, 97660), (38, 56540), (40, 53713), (44, 48830), (55, 39064), (76, 28270), (88, 24415), (95, 22616), (110, 19532), (152, 14135), (190, 11308), (209, 10280), (220, 9766), (257, 8360), (380, 5654), (418, 5140), (440, 4883), (514, 4180), (760, 2827), (836, 2570), (1028, 2090), (1045, 2056), (1285, 1672)]