210020400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 180

約数和(自身を含む): 734888232

約数和(自身を除く): 524867832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 227, 240, 257, 300, 360, 400, 450, 454, 514, 600, 681, 720, 771, 900, 908, 1028, 1135, 1200, 1285, 1362, 1542, 1800, 1816, 2043, 2056, 2270, 2313, 2570, 2724, 3084, 3405, 3600, 3632, 3855, 4086, 4112, 4540, 4626, 5140, 5448, 5675, 6168, 6425, 6810, 7710, 8172, 9080, 9252, 10215, 10280, 10896, 11350, 11565, 12336, 12850, 13620, 15420, 16344, 17025, 18160, 18504, 19275, 20430, 20560, 22700, 23130, 25700, 27240, 30840, 32688, 34050, 37008, 38550, 40860, 45400, 46260, 51075, 51400, 54480, 57825, 58339, 61680, 68100, 77100, 81720, 90800, 92520, 102150, 102800, 115650, 116678, 136200, 154200, 163440, 175017, 185040, 204300, 231300, 233356, 272400, 291695, 308400, 350034, 408600, 462600, 466712, 525051, 583390, 700068, 817200, 875085, 925200, 933424, 1050102, 1166780, 1400136, 1458475, 1750170, 2100204, 2333560, 2625255, 2800272, 2916950, 3500340, 4200408, 4375425, 4667120, 5250510, 5833900, 7000680, 8400816, 8750850, 10501020, 11667800, 13126275, 14001360, 17501700, 21002040, 23335600, 26252550, 35003400, 42004080, 52505100, 70006800, 105010200, 210020400]

約数ペア:

[(1, 210020400), (2, 105010200), (3, 70006800), (4, 52505100), (5, 42004080), (6, 35003400), (8, 26252550), (9, 23335600), (10, 21002040), (12, 17501700), (15, 14001360), (16, 13126275), (18, 11667800), (20, 10501020), (24, 8750850), (25, 8400816), (30, 7000680), (36, 5833900), (40, 5250510), (45, 4667120), (48, 4375425), (50, 4200408), (60, 3500340), (72, 2916950), (75, 2800272), (80, 2625255), (90, 2333560), (100, 2100204), (120, 1750170), (144, 1458475), (150, 1400136), (180, 1166780), (200, 1050102), (225, 933424), (227, 925200), (240, 875085), (257, 817200), (300, 700068), (360, 583390), (400, 525051), (450, 466712), (454, 462600), (514, 408600), (600, 350034), (681, 308400), (720, 291695), (771, 272400), (900, 233356), (908, 231300), (1028, 204300), (1135, 185040), (1200, 175017), (1285, 163440), (1362, 154200), (1542, 136200), (1800, 116678), (1816, 115650), (2043, 102800), (2056, 102150), (2270, 92520), (2313, 90800), (2570, 81720), (2724, 77100), (3084, 68100), (3405, 61680), (3600, 58339), (3632, 57825), (3855, 54480), (4086, 51400), (4112, 51075), (4540, 46260), (4626, 45400), (5140, 40860), (5448, 38550), (5675, 37008), (6168, 34050), (6425, 32688), (6810, 30840), (7710, 27240), (8172, 25700), (9080, 23130), (9252, 22700), (10215, 20560), (10280, 20430), (10896, 19275), (11350, 18504), (11565, 18160), (12336, 17025), (12850, 16344), (13620, 15420)]