257434240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{8209}}^1$

素因数の和:8242

約数の個数: 96

約数和(自身を含む): 715994100

約数和(自身を除く): 458559860

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, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8209, 15680, 16418, 31360, 32836, 41045, 57463, 65672, 82090, 114926, 131344, 164180, 229852, 262688, 287315, 328360, 402241, 459704, 525376, 574630, 656720, 804482, 919408, 1050752, 1149260, 1313440, 1608964, 1838816, 2011205, 2298520, 2626880, 3217928, 3677632, 4022410, 4597040, 5253760, 6435856, 7355264, 8044820, 9194080, 12871712, 16089640, 18388160, 25743424, 32179280, 36776320, 51486848, 64358560, 128717120, 257434240]

約数ペア:

[(1, 257434240), (2, 128717120), (4, 64358560), (5, 51486848), (7, 36776320), (8, 32179280), (10, 25743424), (14, 18388160), (16, 16089640), (20, 12871712), (28, 9194080), (32, 8044820), (35, 7355264), (40, 6435856), (49, 5253760), (56, 4597040), (64, 4022410), (70, 3677632), (80, 3217928), (98, 2626880), (112, 2298520), (128, 2011205), (140, 1838816), (160, 1608964), (196, 1313440), (224, 1149260), (245, 1050752), (280, 919408), (320, 804482), (392, 656720), (448, 574630), (490, 525376), (560, 459704), (640, 402241), (784, 328360), (896, 287315), (980, 262688), (1120, 229852), (1568, 164180), (1960, 131344), (2240, 114926), (3136, 82090), (3920, 65672), (4480, 57463), (6272, 41045), (7840, 32836), (8209, 31360), (15680, 16418)]