331325960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8513}}^1$

素因数の和:8670

約数の個数: 64

約数和(自身を含む): 858211200

約数和(自身を除く): 526885240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 8513, 9730, 17026, 19460, 34052, 38920, 42565, 59591, 68104, 85130, 119182, 170260, 238364, 297955, 340520, 476728, 595910, 1183307, 1191820, 2366614, 2383640, 4733228, 5916535, 8283149, 9466456, 11833070, 16566298, 23666140, 33132596, 41415745, 47332280, 66265192, 82831490, 165662980, 331325960]

約数ペア:

[(1, 331325960), (2, 165662980), (4, 82831490), (5, 66265192), (7, 47332280), (8, 41415745), (10, 33132596), (14, 23666140), (20, 16566298), (28, 11833070), (35, 9466456), (40, 8283149), (56, 5916535), (70, 4733228), (139, 2383640), (140, 2366614), (278, 1191820), (280, 1183307), (556, 595910), (695, 476728), (973, 340520), (1112, 297955), (1390, 238364), (1946, 170260), (2780, 119182), (3892, 85130), (4865, 68104), (5560, 59591), (7784, 42565), (8513, 38920), (9730, 34052), (17026, 19460)]