3209080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 8418240

約数和(自身を除く): 5209160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 157, 280, 292, 314, 365, 511, 584, 628, 730, 785, 1022, 1099, 1256, 1460, 1570, 2044, 2198, 2555, 2920, 3140, 4088, 4396, 5110, 5495, 6280, 8792, 10220, 10990, 11461, 20440, 21980, 22922, 43960, 45844, 57305, 80227, 91688, 114610, 160454, 229220, 320908, 401135, 458440, 641816, 802270, 1604540, 3209080]

約数ペア:

[(1, 3209080), (2, 1604540), (4, 802270), (5, 641816), (7, 458440), (8, 401135), (10, 320908), (14, 229220), (20, 160454), (28, 114610), (35, 91688), (40, 80227), (56, 57305), (70, 45844), (73, 43960), (140, 22922), (146, 21980), (157, 20440), (280, 11461), (292, 10990), (314, 10220), (365, 8792), (511, 6280), (584, 5495), (628, 5110), (730, 4396), (785, 4088), (1022, 3140), (1099, 2920), (1256, 2555), (1460, 2198), (1570, 2044)]