87770540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30689}}^1$

素因数の和:30722

約数の個数: 48

約数和(自身を含む): 216548640

約数和(自身を除く): 128778100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 30689, 61378, 122756, 153445, 306890, 337579, 398957, 613780, 675158, 797914, 1350316, 1595828, 1687895, 1994785, 3375790, 3989570, 4388527, 6751580, 7979140, 8777054, 17554108, 21942635, 43885270, 87770540]

約数ペア:

[(1, 87770540), (2, 43885270), (4, 21942635), (5, 17554108), (10, 8777054), (11, 7979140), (13, 6751580), (20, 4388527), (22, 3989570), (26, 3375790), (44, 1994785), (52, 1687895), (55, 1595828), (65, 1350316), (110, 797914), (130, 675158), (143, 613780), (220, 398957), (260, 337579), (286, 306890), (572, 153445), (715, 122756), (1430, 61378), (2860, 30689)]