286874920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3463}}^1$

素因数の和:3602

約数の個数: 64

約数和(自身を含む): 685872000

約数和(自身を除く): 398997080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 3463, 4142, 4360, 6926, 8284, 10355, 13852, 16568, 17315, 20710, 27704, 34630, 41420, 65797, 69260, 82840, 131594, 138520, 263188, 328985, 377467, 526376, 657970, 754934, 1315940, 1509868, 1887335, 2631880, 3019736, 3774670, 7171873, 7549340, 14343746, 15098680, 28687492, 35859365, 57374984, 71718730, 143437460, 286874920]

約数ペア:

[(1, 286874920), (2, 143437460), (4, 71718730), (5, 57374984), (8, 35859365), (10, 28687492), (19, 15098680), (20, 14343746), (38, 7549340), (40, 7171873), (76, 3774670), (95, 3019736), (109, 2631880), (152, 1887335), (190, 1509868), (218, 1315940), (380, 754934), (436, 657970), (545, 526376), (760, 377467), (872, 328985), (1090, 263188), (2071, 138520), (2180, 131594), (3463, 82840), (4142, 69260), (4360, 65797), (6926, 41420), (8284, 34630), (10355, 27704), (13852, 20710), (16568, 17315)]