209424840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3027

約数の個数: 128

約数和(自身を含む): 682905600

約数和(自身を除く): 473480760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 2963, 3534, 3720, 4712, 5890, 5926, 7068, 8835, 8889, 11780, 11852, 14136, 14815, 17670, 17778, 23560, 23704, 29630, 35340, 35556, 44445, 56297, 59260, 70680, 71112, 88890, 91853, 112594, 118520, 168891, 177780, 183706, 225188, 275559, 281485, 337782, 355560, 367412, 450376, 459265, 551118, 562970, 675564, 734824, 844455, 918530, 1102236, 1125940, 1351128, 1377795, 1688910, 1745207, 1837060, 2204472, 2251880, 2755590, 3377820, 3490414, 3674120, 5235621, 5511180, 6755640, 6980828, 8726035, 10471242, 11022360, 13961656, 17452070, 20942484, 26178105, 34904140, 41884968, 52356210, 69808280, 104712420, 209424840]

約数ペア:

[(1, 209424840), (2, 104712420), (3, 69808280), (4, 52356210), (5, 41884968), (6, 34904140), (8, 26178105), (10, 20942484), (12, 17452070), (15, 13961656), (19, 11022360), (20, 10471242), (24, 8726035), (30, 6980828), (31, 6755640), (38, 5511180), (40, 5235621), (57, 3674120), (60, 3490414), (62, 3377820), (76, 2755590), (93, 2251880), (95, 2204472), (114, 1837060), (120, 1745207), (124, 1688910), (152, 1377795), (155, 1351128), (186, 1125940), (190, 1102236), (228, 918530), (248, 844455), (285, 734824), (310, 675564), (372, 562970), (380, 551118), (456, 459265), (465, 450376), (570, 367412), (589, 355560), (620, 337782), (744, 281485), (760, 275559), (930, 225188), (1140, 183706), (1178, 177780), (1240, 168891), (1767, 118520), (1860, 112594), (2280, 91853), (2356, 88890), (2945, 71112), (2963, 70680), (3534, 59260), (3720, 56297), (4712, 44445), (5890, 35556), (5926, 35340), (7068, 29630), (8835, 23704), (8889, 23560), (11780, 17778), (11852, 17670), (14136, 14815)]