112327220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 240807168

約数和(自身を除く): 128479948

約数列:

[1, 2, 4, 5, 10, 20, 83, 157, 166, 314, 332, 415, 431, 628, 785, 830, 862, 1570, 1660, 1724, 2155, 3140, 4310, 8620, 13031, 26062, 35773, 52124, 65155, 67667, 71546, 130310, 135334, 143092, 178865, 260620, 270668, 338335, 357730, 676670, 715460, 1353340, 5616361, 11232722, 22465444, 28081805, 56163610, 112327220]

約数ペア:

[(1, 112327220), (2, 56163610), (4, 28081805), (5, 22465444), (10, 11232722), (20, 5616361), (83, 1353340), (157, 715460), (166, 676670), (314, 357730), (332, 338335), (415, 270668), (431, 260620), (628, 178865), (785, 143092), (830, 135334), (862, 130310), (1570, 71546), (1660, 67667), (1724, 65155), (2155, 52124), (3140, 35773), (4310, 26062), (8620, 13031)]