209435700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 639959040

約数和(自身を除く): 430523340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 127, 138, 150, 230, 239, 254, 276, 300, 345, 381, 460, 478, 508, 575, 635, 690, 717, 762, 956, 1150, 1195, 1270, 1380, 1434, 1524, 1725, 1905, 2300, 2390, 2540, 2868, 2921, 3175, 3450, 3585, 3810, 4780, 5497, 5842, 5975, 6350, 6900, 7170, 7620, 8763, 9525, 10994, 11684, 11950, 12700, 14340, 14605, 16491, 17526, 17925, 19050, 21988, 23900, 27485, 29210, 30353, 32982, 35052, 35850, 38100, 43815, 54970, 58420, 60706, 65964, 71700, 73025, 82455, 87630, 91059, 109940, 121412, 137425, 146050, 151765, 164910, 175260, 182118, 219075, 274850, 292100, 303530, 329820, 364236, 412275, 438150, 455295, 549700, 607060, 698119, 758825, 824550, 876300, 910590, 1396238, 1517650, 1649100, 1821180, 2094357, 2276475, 2792476, 3035300, 3490595, 4188714, 4552950, 6981190, 8377428, 9105900, 10471785, 13962380, 17452975, 20943570, 34905950, 41887140, 52358925, 69811900, 104717850, 209435700]

約数ペア:

[(1, 209435700), (2, 104717850), (3, 69811900), (4, 52358925), (5, 41887140), (6, 34905950), (10, 20943570), (12, 17452975), (15, 13962380), (20, 10471785), (23, 9105900), (25, 8377428), (30, 6981190), (46, 4552950), (50, 4188714), (60, 3490595), (69, 3035300), (75, 2792476), (92, 2276475), (100, 2094357), (115, 1821180), (127, 1649100), (138, 1517650), (150, 1396238), (230, 910590), (239, 876300), (254, 824550), (276, 758825), (300, 698119), (345, 607060), (381, 549700), (460, 455295), (478, 438150), (508, 412275), (575, 364236), (635, 329820), (690, 303530), (717, 292100), (762, 274850), (956, 219075), (1150, 182118), (1195, 175260), (1270, 164910), (1380, 151765), (1434, 146050), (1524, 137425), (1725, 121412), (1905, 109940), (2300, 91059), (2390, 87630), (2540, 82455), (2868, 73025), (2921, 71700), (3175, 65964), (3450, 60706), (3585, 58420), (3810, 54970), (4780, 43815), (5497, 38100), (5842, 35850), (5975, 35052), (6350, 32982), (6900, 30353), (7170, 29210), (7620, 27485), (8763, 23900), (9525, 21988), (10994, 19050), (11684, 17925), (11950, 17526), (12700, 16491), (14340, 14605)]