179669140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6449}}^1$

素因数の和:6664

約数の個数: 48

約数和(自身を含む): 433440000

約数和(自身を除く): 253770860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6449, 6965, 12898, 13930, 25796, 27860, 32245, 45143, 64490, 90286, 128980, 180572, 225715, 451430, 902860, 1283351, 2566702, 5133404, 6416755, 8983457, 12833510, 17966914, 25667020, 35933828, 44917285, 89834570, 179669140]

約数ペア:

[(1, 179669140), (2, 89834570), (4, 44917285), (5, 35933828), (7, 25667020), (10, 17966914), (14, 12833510), (20, 8983457), (28, 6416755), (35, 5133404), (70, 2566702), (140, 1283351), (199, 902860), (398, 451430), (796, 225715), (995, 180572), (1393, 128980), (1990, 90286), (2786, 64490), (3980, 45143), (5572, 32245), (6449, 27860), (6965, 25796), (12898, 13930)]