400604230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{11717}}^1$

素因数の和:12000

約数の個数: 32

約数和(自身を含む): 779575104

約数和(自身を除く): 378970874

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1315, 2630, 3419, 6838, 11717, 17095, 23434, 34190, 58585, 117170, 152321, 304642, 761605, 1523210, 3081571, 6163142, 15407855, 30815710, 40060423, 80120846, 200302115, 400604230]

約数ペア:

[(1, 400604230), (2, 200302115), (5, 80120846), (10, 40060423), (13, 30815710), (26, 15407855), (65, 6163142), (130, 3081571), (263, 1523210), (526, 761605), (1315, 304642), (2630, 152321), (3419, 117170), (6838, 58585), (11717, 34190), (17095, 23434)]