77420744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 158760000

約数和(自身を除く): 81339256

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 89, 97, 118, 152, 178, 194, 236, 356, 388, 472, 712, 776, 1121, 1691, 1843, 2242, 3382, 3686, 4484, 5251, 5723, 6764, 7372, 8633, 8968, 10502, 11446, 13528, 14744, 17266, 21004, 22892, 34532, 42008, 45784, 69064, 99769, 108737, 164027, 199538, 217474, 328054, 399076, 434948, 509347, 656108, 798152, 869896, 1018694, 1312216, 2037388, 4074776, 9677593, 19355186, 38710372, 77420744]

約数ペア:

[(1, 77420744), (2, 38710372), (4, 19355186), (8, 9677593), (19, 4074776), (38, 2037388), (59, 1312216), (76, 1018694), (89, 869896), (97, 798152), (118, 656108), (152, 509347), (178, 434948), (194, 399076), (236, 328054), (356, 217474), (388, 199538), (472, 164027), (712, 108737), (776, 99769), (1121, 69064), (1691, 45784), (1843, 42008), (2242, 34532), (3382, 22892), (3686, 21004), (4484, 17266), (5251, 14744), (5723, 13528), (6764, 11446), (7372, 10502), (8633, 8968)]