2080453928

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{1889}}^1$

素因数の和:2250

約数の個数: 64

約数和(自身を含む): 4539628800

約数和(自身を除く): 2459174872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 277, 284, 497, 554, 568, 994, 1108, 1889, 1939, 1988, 2216, 3778, 3878, 3976, 7556, 7756, 13223, 15112, 15512, 19667, 26446, 39334, 52892, 78668, 105784, 134119, 137669, 157336, 268238, 275338, 523253, 536476, 550676, 938833, 1046506, 1072952, 1101352, 1877666, 2093012, 3662771, 3755332, 4186024, 7325542, 7510664, 14651084, 29302168, 37150963, 74301926, 148603852, 260056741, 297207704, 520113482, 1040226964, 2080453928]

約数ペア:

[(1, 2080453928), (2, 1040226964), (4, 520113482), (7, 297207704), (8, 260056741), (14, 148603852), (28, 74301926), (56, 37150963), (71, 29302168), (142, 14651084), (277, 7510664), (284, 7325542), (497, 4186024), (554, 3755332), (568, 3662771), (994, 2093012), (1108, 1877666), (1889, 1101352), (1939, 1072952), (1988, 1046506), (2216, 938833), (3778, 550676), (3878, 536476), (3976, 523253), (7556, 275338), (7756, 268238), (13223, 157336), (15112, 137669), (15512, 134119), (19667, 105784), (26446, 78668), (39334, 52892)]