2019900510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{102481}}^1$

素因数の和:102570

約数の個数: 64

約数和(自身を含む): 5460240960

約数和(自身を除く): 3440340450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1971, 2190, 3285, 3942, 6570, 9855, 19710, 102481, 204962, 307443, 512405, 614886, 922329, 1024810, 1537215, 1844658, 2766987, 3074430, 4611645, 5533974, 7481113, 9223290, 13834935, 14962226, 22443339, 27669870, 37405565, 44886678, 67330017, 74811130, 112216695, 134660034, 201990051, 224433390, 336650085, 403980102, 673300170, 1009950255, 2019900510]

約数ペア:

[(1, 2019900510), (2, 1009950255), (3, 673300170), (5, 403980102), (6, 336650085), (9, 224433390), (10, 201990051), (15, 134660034), (18, 112216695), (27, 74811130), (30, 67330017), (45, 44886678), (54, 37405565), (73, 27669870), (90, 22443339), (135, 14962226), (146, 13834935), (219, 9223290), (270, 7481113), (365, 5533974), (438, 4611645), (657, 3074430), (730, 2766987), (1095, 1844658), (1314, 1537215), (1971, 1024810), (2190, 922329), (3285, 614886), (3942, 512405), (6570, 307443), (9855, 204962), (19710, 102481)]