207945390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 513838080

約数和(自身を除く): 305892690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 139, 141, 235, 278, 282, 417, 470, 695, 705, 834, 1061, 1390, 1410, 2085, 2122, 3183, 4170, 5305, 6366, 6533, 10610, 13066, 15915, 19599, 31830, 32665, 39198, 49867, 65330, 97995, 99734, 147479, 149601, 195990, 249335, 294958, 299202, 442437, 498670, 737395, 748005, 884874, 1474790, 1496010, 2212185, 4424370, 6931513, 13863026, 20794539, 34657565, 41589078, 69315130, 103972695, 207945390]

約数ペア:

[(1, 207945390), (2, 103972695), (3, 69315130), (5, 41589078), (6, 34657565), (10, 20794539), (15, 13863026), (30, 6931513), (47, 4424370), (94, 2212185), (139, 1496010), (141, 1474790), (235, 884874), (278, 748005), (282, 737395), (417, 498670), (470, 442437), (695, 299202), (705, 294958), (834, 249335), (1061, 195990), (1390, 149601), (1410, 147479), (2085, 99734), (2122, 97995), (3183, 65330), (4170, 49867), (5305, 39198), (6366, 32665), (6533, 31830), (10610, 19599), (13066, 15915)]