214797470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 424258560

約数和(自身を除く): 209461090

約数列:

[1, 2, 5, 10, 19, 38, 43, 61, 86, 95, 122, 190, 215, 305, 430, 431, 610, 817, 862, 1159, 1634, 2155, 2318, 2623, 4085, 4310, 5246, 5795, 8170, 8189, 11590, 13115, 16378, 18533, 26230, 26291, 37066, 40945, 49837, 52582, 81890, 92665, 99674, 131455, 185330, 249185, 262910, 352127, 498370, 499529, 704254, 999058, 1130513, 1760635, 2261026, 2497645, 3521270, 4995290, 5652565, 11305130, 21479747, 42959494, 107398735, 214797470]

約数ペア:

[(1, 214797470), (2, 107398735), (5, 42959494), (10, 21479747), (19, 11305130), (38, 5652565), (43, 4995290), (61, 3521270), (86, 2497645), (95, 2261026), (122, 1760635), (190, 1130513), (215, 999058), (305, 704254), (430, 499529), (431, 498370), (610, 352127), (817, 262910), (862, 249185), (1159, 185330), (1634, 131455), (2155, 99674), (2318, 92665), (2623, 81890), (4085, 52582), (4310, 49837), (5246, 40945), (5795, 37066), (8170, 26291), (8189, 26230), (11590, 18533), (13115, 16378)]