490150400

素因数分解:

$2^9\times 5^2\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 120

約数和(自身を含む): 1227293100

約数和(自身を除く): 737142700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 256, 257, 298, 320, 400, 512, 514, 596, 640, 745, 800, 1028, 1192, 1280, 1285, 1490, 1600, 2056, 2384, 2560, 2570, 2980, 3200, 3725, 4112, 4768, 5140, 5960, 6400, 6425, 7450, 8224, 9536, 10280, 11920, 12800, 12850, 14900, 16448, 19072, 20560, 23840, 25700, 29800, 32896, 38144, 38293, 41120, 47680, 51400, 59600, 65792, 76288, 76586, 82240, 95360, 102800, 119200, 131584, 153172, 164480, 190720, 191465, 205600, 238400, 306344, 328960, 381440, 382930, 411200, 476800, 612688, 657920, 765860, 822400, 953600, 957325, 1225376, 1531720, 1644800, 1907200, 1914650, 2450752, 3063440, 3289600, 3829300, 4901504, 6126880, 7658600, 9803008, 12253760, 15317200, 19606016, 24507520, 30634400, 49015040, 61268800, 98030080, 122537600, 245075200, 490150400]

約数ペア:

[(1, 490150400), (2, 245075200), (4, 122537600), (5, 98030080), (8, 61268800), (10, 49015040), (16, 30634400), (20, 24507520), (25, 19606016), (32, 15317200), (40, 12253760), (50, 9803008), (64, 7658600), (80, 6126880), (100, 4901504), (128, 3829300), (149, 3289600), (160, 3063440), (200, 2450752), (256, 1914650), (257, 1907200), (298, 1644800), (320, 1531720), (400, 1225376), (512, 957325), (514, 953600), (596, 822400), (640, 765860), (745, 657920), (800, 612688), (1028, 476800), (1192, 411200), (1280, 382930), (1285, 381440), (1490, 328960), (1600, 306344), (2056, 238400), (2384, 205600), (2560, 191465), (2570, 190720), (2980, 164480), (3200, 153172), (3725, 131584), (4112, 119200), (4768, 102800), (5140, 95360), (5960, 82240), (6400, 76586), (6425, 76288), (7450, 65792), (8224, 59600), (9536, 51400), (10280, 47680), (11920, 41120), (12800, 38293), (12850, 38144), (14900, 32896), (16448, 29800), (19072, 25700), (20560, 23840)]