161298340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4483}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 388708992

約数和(自身を除く): 227410652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 4483, 5140, 7196, 8966, 8995, 17932, 17990, 22415, 31381, 35980, 44830, 62762, 89660, 125524, 156905, 313810, 627620, 1152131, 2304262, 4608524, 5760655, 8064917, 11521310, 16129834, 23042620, 32259668, 40324585, 80649170, 161298340]

約数ペア:

[(1, 161298340), (2, 80649170), (4, 40324585), (5, 32259668), (7, 23042620), (10, 16129834), (14, 11521310), (20, 8064917), (28, 5760655), (35, 4608524), (70, 2304262), (140, 1152131), (257, 627620), (514, 313810), (1028, 156905), (1285, 125524), (1799, 89660), (2570, 62762), (3598, 44830), (4483, 35980), (5140, 31381), (7196, 22415), (8966, 17990), (8995, 17932)]