249974140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1301}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 566526240

約数和(自身を除く): 316552100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 739, 1301, 1478, 2602, 2956, 3695, 5204, 6505, 7390, 9607, 13010, 14780, 16913, 19214, 26020, 33826, 38428, 48035, 67652, 84565, 96070, 169130, 192140, 338260, 961439, 1922878, 3845756, 4807195, 9614390, 12498707, 19228780, 24997414, 49994828, 62493535, 124987070, 249974140]

約数ペア:

[(1, 249974140), (2, 124987070), (4, 62493535), (5, 49994828), (10, 24997414), (13, 19228780), (20, 12498707), (26, 9614390), (52, 4807195), (65, 3845756), (130, 1922878), (260, 961439), (739, 338260), (1301, 192140), (1478, 169130), (2602, 96070), (2956, 84565), (3695, 67652), (5204, 48035), (6505, 38428), (7390, 33826), (9607, 26020), (13010, 19214), (14780, 16913)]