256742200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 719953920

約数和(自身を除く): 463211720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 47, 50, 52, 55, 65, 88, 94, 100, 104, 110, 130, 143, 188, 191, 200, 220, 235, 260, 275, 286, 325, 376, 382, 440, 470, 517, 520, 550, 572, 611, 650, 715, 764, 940, 955, 1034, 1100, 1144, 1175, 1222, 1300, 1430, 1528, 1880, 1910, 2068, 2101, 2200, 2350, 2444, 2483, 2585, 2600, 2860, 3055, 3575, 3820, 4136, 4202, 4700, 4775, 4888, 4966, 5170, 5720, 6110, 6721, 7150, 7640, 8404, 8977, 9400, 9550, 9932, 10340, 10505, 12220, 12415, 12925, 13442, 14300, 15275, 16808, 17954, 19100, 19864, 20680, 21010, 24440, 24830, 25850, 26884, 27313, 28600, 30550, 33605, 35908, 38200, 42020, 44885, 49660, 51700, 52525, 53768, 54626, 61100, 62075, 67210, 71816, 84040, 89770, 98747, 99320, 103400, 105050, 109252, 116701, 122200, 124150, 134420, 136565, 168025, 179540, 197494, 210100, 218504, 224425, 233402, 248300, 268840, 273130, 336050, 359080, 394988, 420200, 448850, 466804, 493735, 496600, 546260, 583505, 672100, 682825, 789976, 897700, 933608, 987470, 1092520, 1167010, 1283711, 1344200, 1365650, 1795400, 1974940, 2334020, 2468675, 2567422, 2731300, 2917525, 3949880, 4668040, 4937350, 5134844, 5462600, 5835050, 6418555, 9874700, 10269688, 11670100, 12837110, 19749400, 23340200, 25674220, 32092775, 51348440, 64185550, 128371100, 256742200]

約数ペア:

[(1, 256742200), (2, 128371100), (4, 64185550), (5, 51348440), (8, 32092775), (10, 25674220), (11, 23340200), (13, 19749400), (20, 12837110), (22, 11670100), (25, 10269688), (26, 9874700), (40, 6418555), (44, 5835050), (47, 5462600), (50, 5134844), (52, 4937350), (55, 4668040), (65, 3949880), (88, 2917525), (94, 2731300), (100, 2567422), (104, 2468675), (110, 2334020), (130, 1974940), (143, 1795400), (188, 1365650), (191, 1344200), (200, 1283711), (220, 1167010), (235, 1092520), (260, 987470), (275, 933608), (286, 897700), (325, 789976), (376, 682825), (382, 672100), (440, 583505), (470, 546260), (517, 496600), (520, 493735), (550, 466804), (572, 448850), (611, 420200), (650, 394988), (715, 359080), (764, 336050), (940, 273130), (955, 268840), (1034, 248300), (1100, 233402), (1144, 224425), (1175, 218504), (1222, 210100), (1300, 197494), (1430, 179540), (1528, 168025), (1880, 136565), (1910, 134420), (2068, 124150), (2101, 122200), (2200, 116701), (2350, 109252), (2444, 105050), (2483, 103400), (2585, 99320), (2600, 98747), (2860, 89770), (3055, 84040), (3575, 71816), (3820, 67210), (4136, 62075), (4202, 61100), (4700, 54626), (4775, 53768), (4888, 52525), (4966, 51700), (5170, 49660), (5720, 44885), (6110, 42020), (6721, 38200), (7150, 35908), (7640, 33605), (8404, 30550), (8977, 28600), (9400, 27313), (9550, 26884), (9932, 25850), (10340, 24830), (10505, 24440), (12220, 21010), (12415, 20680), (12925, 19864), (13442, 19100), (14300, 17954), (15275, 16808)]