280872944

素因数分解:

$2^4\times {\mathrm{11}}^5\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 60

約数和(自身を含む): 604101960

約数和(自身を除く): 323229016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 121, 176, 218, 242, 436, 484, 872, 968, 1199, 1331, 1744, 1936, 2398, 2662, 4796, 5324, 9592, 10648, 13189, 14641, 19184, 21296, 26378, 29282, 52756, 58564, 105512, 117128, 145079, 161051, 211024, 234256, 290158, 322102, 580316, 644204, 1160632, 1288408, 1595869, 2321264, 2576816, 3191738, 6383476, 12766952, 17554559, 25533904, 35109118, 70218236, 140436472, 280872944]

約数ペア:

[(1, 280872944), (2, 140436472), (4, 70218236), (8, 35109118), (11, 25533904), (16, 17554559), (22, 12766952), (44, 6383476), (88, 3191738), (109, 2576816), (121, 2321264), (176, 1595869), (218, 1288408), (242, 1160632), (436, 644204), (484, 580316), (872, 322102), (968, 290158), (1199, 234256), (1331, 211024), (1744, 161051), (1936, 145079), (2398, 117128), (2662, 105512), (4796, 58564), (5324, 52756), (9592, 29282), (10648, 26378), (13189, 21296), (14641, 19184)]