5490430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 11819520

約数和(自身を除く): 6329090

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 71, 74, 95, 110, 142, 185, 190, 209, 355, 370, 407, 418, 703, 710, 781, 814, 1045, 1349, 1406, 1562, 2035, 2090, 2627, 2698, 3515, 3905, 4070, 5254, 6745, 7030, 7733, 7810, 13135, 13490, 14839, 15466, 26270, 28897, 29678, 38665, 49913, 57794, 74195, 77330, 99826, 144485, 148390, 249565, 288970, 499130, 549043, 1098086, 2745215, 5490430]

約数ペア:

[(1, 5490430), (2, 2745215), (5, 1098086), (10, 549043), (11, 499130), (19, 288970), (22, 249565), (37, 148390), (38, 144485), (55, 99826), (71, 77330), (74, 74195), (95, 57794), (110, 49913), (142, 38665), (185, 29678), (190, 28897), (209, 26270), (355, 15466), (370, 14839), (407, 13490), (418, 13135), (703, 7810), (710, 7733), (781, 7030), (814, 6745), (1045, 5254), (1349, 4070), (1406, 3905), (1562, 3515), (2035, 2698), (2090, 2627)]