7387420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 16279200

約数和(自身を除く): 8891780

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 149, 185, 268, 298, 335, 370, 596, 670, 740, 745, 1340, 1490, 2479, 2980, 4958, 5513, 9916, 9983, 11026, 12395, 19966, 22052, 24790, 27565, 39932, 49580, 49915, 55130, 99830, 110260, 199660, 369371, 738742, 1477484, 1846855, 3693710, 7387420]

約数ペア:

[(1, 7387420), (2, 3693710), (4, 1846855), (5, 1477484), (10, 738742), (20, 369371), (37, 199660), (67, 110260), (74, 99830), (134, 55130), (148, 49915), (149, 49580), (185, 39932), (268, 27565), (298, 24790), (335, 22052), (370, 19966), (596, 12395), (670, 11026), (740, 9983), (745, 9916), (1340, 5513), (1490, 4958), (2479, 2980)]