142037840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{253639}}^1$

素因数の和:253659

約数の個数: 40

約数和(自身を含む): 377416320

約数和(自身を除く): 235378480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 253639, 507278, 1014556, 1268195, 1775473, 2029112, 2536390, 3550946, 4058224, 5072780, 7101892, 8877365, 10145560, 14203784, 17754730, 20291120, 28407568, 35509460, 71018920, 142037840]

約数ペア:

[(1, 142037840), (2, 71018920), (4, 35509460), (5, 28407568), (7, 20291120), (8, 17754730), (10, 14203784), (14, 10145560), (16, 8877365), (20, 7101892), (28, 5072780), (35, 4058224), (40, 3550946), (56, 2536390), (70, 2029112), (80, 1775473), (112, 1268195), (140, 1014556), (280, 507278), (560, 253639)]