281504210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{14533}}^1$

素因数の和:14702

約数の個数: 32

約数和(自身を含む): 549385200

約数和(自身を除く): 267880990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 14533, 19370, 29066, 72665, 145330, 188929, 377858, 944645, 1889290, 2165417, 4330834, 10827085, 21654170, 28150421, 56300842, 140752105, 281504210]

約数ペア:

[(1, 281504210), (2, 140752105), (5, 56300842), (10, 28150421), (13, 21654170), (26, 10827085), (65, 4330834), (130, 2165417), (149, 1889290), (298, 944645), (745, 377858), (1490, 188929), (1937, 145330), (3874, 72665), (9685, 29066), (14533, 19370)]