90800360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2490

約数の個数: 64

約数和(自身を含む): 235267200

約数和(自身を除く): 144466840

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, 2333, 2780, 3892, 4666, 4865, 5560, 7784, 9332, 9730, 11665, 16331, 18664, 19460, 23330, 32662, 38920, 46660, 65324, 81655, 93320, 130648, 163310, 324287, 326620, 648574, 653240, 1297148, 1621435, 2270009, 2594296, 3242870, 4540018, 6485740, 9080036, 11350045, 12971480, 18160072, 22700090, 45400180, 90800360]

約数ペア:

[(1, 90800360), (2, 45400180), (4, 22700090), (5, 18160072), (7, 12971480), (8, 11350045), (10, 9080036), (14, 6485740), (20, 4540018), (28, 3242870), (35, 2594296), (40, 2270009), (56, 1621435), (70, 1297148), (139, 653240), (140, 648574), (278, 326620), (280, 324287), (556, 163310), (695, 130648), (973, 93320), (1112, 81655), (1390, 65324), (1946, 46660), (2333, 38920), (2780, 32662), (3892, 23330), (4666, 19460), (4865, 18664), (5560, 16331), (7784, 11665), (9332, 9730)]