71002120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1061}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 183513600

約数和(自身を除く): 112511480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1061, 1195, 1673, 1912, 2122, 2390, 3346, 4244, 4780, 5305, 6692, 7427, 8365, 8488, 9560, 10610, 13384, 14854, 16730, 21220, 29708, 33460, 37135, 42440, 59416, 66920, 74270, 148540, 253579, 297080, 507158, 1014316, 1267895, 1775053, 2028632, 2535790, 3550106, 5071580, 7100212, 8875265, 10143160, 14200424, 17750530, 35501060, 71002120]

約数ペア:

[(1, 71002120), (2, 35501060), (4, 17750530), (5, 14200424), (7, 10143160), (8, 8875265), (10, 7100212), (14, 5071580), (20, 3550106), (28, 2535790), (35, 2028632), (40, 1775053), (56, 1267895), (70, 1014316), (140, 507158), (239, 297080), (280, 253579), (478, 148540), (956, 74270), (1061, 66920), (1195, 59416), (1673, 42440), (1912, 37135), (2122, 33460), (2390, 29708), (3346, 21220), (4244, 16730), (4780, 14854), (5305, 13384), (6692, 10610), (7427, 9560), (8365, 8488)]