89010040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2287}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 230630400

約数和(自身を除く): 141620360

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, 2287, 2780, 3892, 4574, 4865, 5560, 7784, 9148, 9730, 11435, 16009, 18296, 19460, 22870, 32018, 38920, 45740, 64036, 80045, 91480, 128072, 160090, 317893, 320180, 635786, 640360, 1271572, 1589465, 2225251, 2543144, 3178930, 4450502, 6357860, 8901004, 11126255, 12715720, 17802008, 22252510, 44505020, 89010040]

約数ペア:

[(1, 89010040), (2, 44505020), (4, 22252510), (5, 17802008), (7, 12715720), (8, 11126255), (10, 8901004), (14, 6357860), (20, 4450502), (28, 3178930), (35, 2543144), (40, 2225251), (56, 1589465), (70, 1271572), (139, 640360), (140, 635786), (278, 320180), (280, 317893), (556, 160090), (695, 128072), (973, 91480), (1112, 80045), (1390, 64036), (1946, 45740), (2287, 38920), (2780, 32018), (3892, 22870), (4574, 19460), (4865, 18296), (5560, 16009), (7784, 11435), (9148, 9730)]