165591220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28649}}^1$

素因数の和:28692

約数の個数: 36

約数和(自身を含む): 369413100

約数和(自身を除く): 203821880

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 28649, 57298, 114596, 143245, 286490, 487033, 572980, 974066, 1948132, 2435165, 4870330, 8279561, 9740660, 16559122, 33118244, 41397805, 82795610, 165591220]

約数ペア:

[(1, 165591220), (2, 82795610), (4, 41397805), (5, 33118244), (10, 16559122), (17, 9740660), (20, 8279561), (34, 4870330), (68, 2435165), (85, 1948132), (170, 974066), (289, 572980), (340, 487033), (578, 286490), (1156, 143245), (1445, 114596), (2890, 57298), (5780, 28649)]