202397440

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 566596800

約数和(自身を除く): 364199360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 461, 490, 560, 640, 686, 784, 896, 922, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1844, 1960, 2240, 2305, 2744, 3136, 3227, 3430, 3688, 3920, 4480, 4610, 5488, 6272, 6454, 6860, 7376, 7840, 8960, 9220, 10976, 12544, 12908, 13720, 14752, 15680, 16135, 18440, 21952, 22589, 25816, 27440, 29504, 31360, 32270, 36880, 43904, 45178, 51632, 54880, 59008, 62720, 64540, 73760, 87808, 90356, 103264, 109760, 112945, 118016, 129080, 147520, 158123, 180712, 206528, 219520, 225890, 258160, 295040, 316246, 361424, 413056, 439040, 451780, 516320, 590080, 632492, 722848, 790615, 826112, 903560, 1032640, 1264984, 1445696, 1581230, 1807120, 2065280, 2529968, 2891392, 3162460, 3614240, 4130560, 5059936, 5782784, 6324920, 7228480, 10119872, 12649840, 14456960, 20239744, 25299680, 28913920, 40479488, 50599360, 101198720, 202397440]

約数ペア:

[(1, 202397440), (2, 101198720), (4, 50599360), (5, 40479488), (7, 28913920), (8, 25299680), (10, 20239744), (14, 14456960), (16, 12649840), (20, 10119872), (28, 7228480), (32, 6324920), (35, 5782784), (40, 5059936), (49, 4130560), (56, 3614240), (64, 3162460), (70, 2891392), (80, 2529968), (98, 2065280), (112, 1807120), (128, 1581230), (140, 1445696), (160, 1264984), (196, 1032640), (224, 903560), (245, 826112), (256, 790615), (280, 722848), (320, 632492), (343, 590080), (392, 516320), (448, 451780), (461, 439040), (490, 413056), (560, 361424), (640, 316246), (686, 295040), (784, 258160), (896, 225890), (922, 219520), (980, 206528), (1120, 180712), (1280, 158123), (1372, 147520), (1568, 129080), (1715, 118016), (1792, 112945), (1844, 109760), (1960, 103264), (2240, 90356), (2305, 87808), (2744, 73760), (3136, 64540), (3227, 62720), (3430, 59008), (3688, 54880), (3920, 51632), (4480, 45178), (4610, 43904), (5488, 36880), (6272, 32270), (6454, 31360), (6860, 29504), (7376, 27440), (7840, 25816), (8960, 22589), (9220, 21952), (10976, 18440), (12544, 16135), (12908, 15680), (13720, 14752)]