254078720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4086

約数の個数: 108

約数和(自身を含む): 708135624

約数和(自身を除く): 454056904

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, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4051, 4480, 6272, 7840, 8102, 8960, 12544, 15680, 16204, 20255, 28357, 31360, 32408, 40510, 56714, 62720, 64816, 81020, 113428, 129632, 141785, 162040, 198499, 226856, 259264, 283570, 324080, 396998, 453712, 518528, 567140, 648160, 793996, 907424, 992495, 1037056, 1134280, 1296320, 1587992, 1814848, 1984990, 2268560, 2592640, 3175984, 3629696, 3969980, 4537120, 5185280, 6351968, 7259392, 7939960, 9074240, 12703936, 15879920, 18148480, 25407872, 31759840, 36296960, 50815744, 63519680, 127039360, 254078720]

約数ペア:

[(1, 254078720), (2, 127039360), (4, 63519680), (5, 50815744), (7, 36296960), (8, 31759840), (10, 25407872), (14, 18148480), (16, 15879920), (20, 12703936), (28, 9074240), (32, 7939960), (35, 7259392), (40, 6351968), (49, 5185280), (56, 4537120), (64, 3969980), (70, 3629696), (80, 3175984), (98, 2592640), (112, 2268560), (128, 1984990), (140, 1814848), (160, 1587992), (196, 1296320), (224, 1134280), (245, 1037056), (256, 992495), (280, 907424), (320, 793996), (392, 648160), (448, 567140), (490, 518528), (560, 453712), (640, 396998), (784, 324080), (896, 283570), (980, 259264), (1120, 226856), (1280, 198499), (1568, 162040), (1792, 141785), (1960, 129632), (2240, 113428), (3136, 81020), (3920, 64816), (4051, 62720), (4480, 56714), (6272, 40510), (7840, 32408), (8102, 31360), (8960, 28357), (12544, 20255), (15680, 16204)]