128999490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 318504960

約数和(自身を除く): 189505470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 191, 235, 282, 382, 470, 479, 573, 705, 955, 958, 1146, 1410, 1437, 1910, 2395, 2865, 2874, 4790, 5730, 7185, 8977, 14370, 17954, 22513, 26931, 44885, 45026, 53862, 67539, 89770, 91489, 112565, 134655, 135078, 182978, 225130, 269310, 274467, 337695, 457445, 548934, 675390, 914890, 1372335, 2744670, 4299983, 8599966, 12899949, 21499915, 25799898, 42999830, 64499745, 128999490]

約数ペア:

[(1, 128999490), (2, 64499745), (3, 42999830), (5, 25799898), (6, 21499915), (10, 12899949), (15, 8599966), (30, 4299983), (47, 2744670), (94, 1372335), (141, 914890), (191, 675390), (235, 548934), (282, 457445), (382, 337695), (470, 274467), (479, 269310), (573, 225130), (705, 182978), (955, 135078), (958, 134655), (1146, 112565), (1410, 91489), (1437, 89770), (1910, 67539), (2395, 53862), (2865, 45026), (2874, 44885), (4790, 26931), (5730, 22513), (7185, 17954), (8977, 14370)]