7254520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2024

約数の個数: 64

約数和(自身を含む): 20099520

約数和(自身を除く): 12845000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 1993, 3640, 3986, 7972, 9965, 13951, 15944, 19930, 25909, 27902, 39860, 51818, 55804, 69755, 79720, 103636, 111608, 129545, 139510, 181363, 207272, 259090, 279020, 362726, 518180, 558040, 725452, 906815, 1036360, 1450904, 1813630, 3627260, 7254520]

約数ペア:

[(1, 7254520), (2, 3627260), (4, 1813630), (5, 1450904), (7, 1036360), (8, 906815), (10, 725452), (13, 558040), (14, 518180), (20, 362726), (26, 279020), (28, 259090), (35, 207272), (40, 181363), (52, 139510), (56, 129545), (65, 111608), (70, 103636), (91, 79720), (104, 69755), (130, 55804), (140, 51818), (182, 39860), (260, 27902), (280, 25909), (364, 19930), (455, 15944), (520, 13951), (728, 9965), (910, 7972), (1820, 3986), (1993, 3640)]