1976271640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{17257}}^1$

素因数の和:17684

約数の個数: 64

約数和(自身を含む): 5094561600

約数和(自身を除く): 3118289960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 818, 1636, 2045, 2863, 3272, 4090, 5726, 8180, 11452, 14315, 16360, 17257, 22904, 28630, 34514, 57260, 69028, 86285, 114520, 120799, 138056, 172570, 241598, 345140, 483196, 603995, 690280, 966392, 1207990, 2415980, 4831960, 7058113, 14116226, 28232452, 35290565, 49406791, 56464904, 70581130, 98813582, 141162260, 197627164, 247033955, 282324520, 395254328, 494067910, 988135820, 1976271640]

約数ペア:

[(1, 1976271640), (2, 988135820), (4, 494067910), (5, 395254328), (7, 282324520), (8, 247033955), (10, 197627164), (14, 141162260), (20, 98813582), (28, 70581130), (35, 56464904), (40, 49406791), (56, 35290565), (70, 28232452), (140, 14116226), (280, 7058113), (409, 4831960), (818, 2415980), (1636, 1207990), (2045, 966392), (2863, 690280), (3272, 603995), (4090, 483196), (5726, 345140), (8180, 241598), (11452, 172570), (14315, 138056), (16360, 120799), (17257, 114520), (22904, 86285), (28630, 69028), (34514, 57260)]