131199320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3371}}^1$

素因数の和:3528

約数の個数: 64

約数和(自身を含む): 339897600

約数和(自身を除く): 208698280

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, 3371, 3892, 4865, 5560, 6742, 7784, 9730, 13484, 16855, 19460, 23597, 26968, 33710, 38920, 47194, 67420, 94388, 117985, 134840, 188776, 235970, 468569, 471940, 937138, 943880, 1874276, 2342845, 3279983, 3748552, 4685690, 6559966, 9371380, 13119932, 16399915, 18742760, 26239864, 32799830, 65599660, 131199320]

約数ペア:

[(1, 131199320), (2, 65599660), (4, 32799830), (5, 26239864), (7, 18742760), (8, 16399915), (10, 13119932), (14, 9371380), (20, 6559966), (28, 4685690), (35, 3748552), (40, 3279983), (56, 2342845), (70, 1874276), (139, 943880), (140, 937138), (278, 471940), (280, 468569), (556, 235970), (695, 188776), (973, 134840), (1112, 117985), (1390, 94388), (1946, 67420), (2780, 47194), (3371, 38920), (3892, 33710), (4865, 26968), (5560, 23597), (6742, 19460), (7784, 16855), (9730, 13484)]