256119080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 675621000

約数和(自身を除く): 419501920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 392, 490, 596, 745, 877, 980, 1043, 1192, 1490, 1754, 1960, 2086, 2980, 3508, 4172, 4385, 5215, 5960, 6139, 7016, 7301, 8344, 8770, 10430, 12278, 14602, 17540, 20860, 24556, 29204, 30695, 35080, 36505, 41720, 42973, 49112, 58408, 61390, 73010, 85946, 122780, 130673, 146020, 171892, 214865, 245560, 261346, 292040, 343784, 429730, 522692, 653365, 859460, 914711, 1045384, 1306730, 1718920, 1829422, 2613460, 3658844, 4573555, 5226920, 6402977, 7317688, 9147110, 12805954, 18294220, 25611908, 32014885, 36588440, 51223816, 64029770, 128059540, 256119080]

約数ペア:

[(1, 256119080), (2, 128059540), (4, 64029770), (5, 51223816), (7, 36588440), (8, 32014885), (10, 25611908), (14, 18294220), (20, 12805954), (28, 9147110), (35, 7317688), (40, 6402977), (49, 5226920), (56, 4573555), (70, 3658844), (98, 2613460), (140, 1829422), (149, 1718920), (196, 1306730), (245, 1045384), (280, 914711), (298, 859460), (392, 653365), (490, 522692), (596, 429730), (745, 343784), (877, 292040), (980, 261346), (1043, 245560), (1192, 214865), (1490, 171892), (1754, 146020), (1960, 130673), (2086, 122780), (2980, 85946), (3508, 73010), (4172, 61390), (4385, 58408), (5215, 49112), (5960, 42973), (6139, 41720), (7016, 36505), (7301, 35080), (8344, 30695), (8770, 29204), (10430, 24556), (12278, 20860), (14602, 17540)]