220398490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{27793}}^1$

素因数の和:27874

約数の個数: 32

約数和(自身を含む): 434253456

約数和(自身を除く): 213854966

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 27793, 55586, 138965, 277930, 361309, 722618, 1695373, 1806545, 3390746, 3613090, 8476865, 16953730, 22039849, 44079698, 110199245, 220398490]

約数ペア:

[(1, 220398490), (2, 110199245), (5, 44079698), (10, 22039849), (13, 16953730), (26, 8476865), (61, 3613090), (65, 3390746), (122, 1806545), (130, 1695373), (305, 722618), (610, 361309), (793, 277930), (1586, 138965), (3965, 55586), (7930, 27793)]