250378240

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 700245000

約数和(自身を除く): 449866760

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, 392, 448, 490, 499, 512, 560, 640, 784, 896, 980, 998, 1024, 1120, 1280, 1568, 1792, 1960, 1996, 2048, 2240, 2495, 2560, 3136, 3493, 3584, 3920, 3992, 4480, 4990, 5120, 6272, 6986, 7168, 7840, 7984, 8960, 9980, 10240, 12544, 13972, 14336, 15680, 15968, 17465, 17920, 19960, 24451, 25088, 27944, 31360, 31936, 34930, 35840, 39920, 48902, 50176, 55888, 62720, 63872, 69860, 71680, 79840, 97804, 100352, 111776, 122255, 125440, 127744, 139720, 159680, 195608, 223552, 244510, 250880, 255488, 279440, 319360, 391216, 447104, 489020, 501760, 510976, 558880, 638720, 782432, 894208, 978040, 1021952, 1117760, 1277440, 1564864, 1788416, 1956080, 2235520, 2554880, 3129728, 3576832, 3912160, 4471040, 5109760, 6259456, 7153664, 7824320, 8942080, 12518912, 15648640, 17884160, 25037824, 31297280, 35768320, 50075648, 62594560, 125189120, 250378240]

約数ペア:

[(1, 250378240), (2, 125189120), (4, 62594560), (5, 50075648), (7, 35768320), (8, 31297280), (10, 25037824), (14, 17884160), (16, 15648640), (20, 12518912), (28, 8942080), (32, 7824320), (35, 7153664), (40, 6259456), (49, 5109760), (56, 4471040), (64, 3912160), (70, 3576832), (80, 3129728), (98, 2554880), (112, 2235520), (128, 1956080), (140, 1788416), (160, 1564864), (196, 1277440), (224, 1117760), (245, 1021952), (256, 978040), (280, 894208), (320, 782432), (392, 638720), (448, 558880), (490, 510976), (499, 501760), (512, 489020), (560, 447104), (640, 391216), (784, 319360), (896, 279440), (980, 255488), (998, 250880), (1024, 244510), (1120, 223552), (1280, 195608), (1568, 159680), (1792, 139720), (1960, 127744), (1996, 125440), (2048, 122255), (2240, 111776), (2495, 100352), (2560, 97804), (3136, 79840), (3493, 71680), (3584, 69860), (3920, 63872), (3992, 62720), (4480, 55888), (4990, 50176), (5120, 48902), (6272, 39920), (6986, 35840), (7168, 34930), (7840, 31936), (7984, 31360), (8960, 27944), (9980, 25088), (10240, 24451), (12544, 19960), (13972, 17920), (14336, 17465), (15680, 15968)]