201994520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 564157440

約数和(自身を除く): 362162920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 211, 260, 263, 280, 364, 422, 455, 520, 526, 728, 844, 910, 1052, 1055, 1315, 1477, 1688, 1820, 1841, 2104, 2110, 2630, 2743, 2954, 3419, 3640, 3682, 4220, 5260, 5486, 5908, 6838, 7364, 7385, 8440, 9205, 10520, 10972, 11816, 13676, 13715, 14728, 14770, 17095, 18410, 19201, 21944, 23933, 27352, 27430, 29540, 34190, 36820, 38402, 47866, 54860, 55493, 59080, 68380, 73640, 76804, 95732, 96005, 109720, 110986, 119665, 136760, 153608, 191464, 192010, 221972, 239330, 277465, 384020, 388451, 443944, 478660, 554930, 721409, 768040, 776902, 957320, 1109860, 1442818, 1553804, 1942255, 2219720, 2885636, 3107608, 3607045, 3884510, 5049863, 5771272, 7214090, 7769020, 10099726, 14428180, 15538040, 20199452, 25249315, 28856360, 40398904, 50498630, 100997260, 201994520]

約数ペア:

[(1, 201994520), (2, 100997260), (4, 50498630), (5, 40398904), (7, 28856360), (8, 25249315), (10, 20199452), (13, 15538040), (14, 14428180), (20, 10099726), (26, 7769020), (28, 7214090), (35, 5771272), (40, 5049863), (52, 3884510), (56, 3607045), (65, 3107608), (70, 2885636), (91, 2219720), (104, 1942255), (130, 1553804), (140, 1442818), (182, 1109860), (211, 957320), (260, 776902), (263, 768040), (280, 721409), (364, 554930), (422, 478660), (455, 443944), (520, 388451), (526, 384020), (728, 277465), (844, 239330), (910, 221972), (1052, 192010), (1055, 191464), (1315, 153608), (1477, 136760), (1688, 119665), (1820, 110986), (1841, 109720), (2104, 96005), (2110, 95732), (2630, 76804), (2743, 73640), (2954, 68380), (3419, 59080), (3640, 55493), (3682, 54860), (4220, 47866), (5260, 38402), (5486, 36820), (5908, 34190), (6838, 29540), (7364, 27430), (7385, 27352), (8440, 23933), (9205, 21944), (10520, 19201), (10972, 18410), (11816, 17095), (13676, 14770), (13715, 14728)]