507011440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1307}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 1273855968

約数和(自身を除く): 766844528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 373, 520, 746, 1040, 1307, 1492, 1865, 2614, 2984, 3730, 4849, 5228, 5968, 6535, 7460, 9698, 10456, 13070, 14920, 16991, 19396, 20912, 24245, 26140, 29840, 33982, 38792, 48490, 52280, 67964, 77584, 84955, 96980, 104560, 135928, 169910, 193960, 271856, 339820, 387920, 487511, 679640, 975022, 1359280, 1950044, 2437555, 3900088, 4875110, 6337643, 7800176, 9750220, 12675286, 19500440, 25350572, 31688215, 39000880, 50701144, 63376430, 101402288, 126752860, 253505720, 507011440]

約数ペア:

[(1, 507011440), (2, 253505720), (4, 126752860), (5, 101402288), (8, 63376430), (10, 50701144), (13, 39000880), (16, 31688215), (20, 25350572), (26, 19500440), (40, 12675286), (52, 9750220), (65, 7800176), (80, 6337643), (104, 4875110), (130, 3900088), (208, 2437555), (260, 1950044), (373, 1359280), (520, 975022), (746, 679640), (1040, 487511), (1307, 387920), (1492, 339820), (1865, 271856), (2614, 193960), (2984, 169910), (3730, 135928), (4849, 104560), (5228, 96980), (5968, 84955), (6535, 77584), (7460, 67964), (9698, 52280), (10456, 48490), (13070, 38792), (14920, 33982), (16991, 29840), (19396, 26140), (20912, 24245)]