208388520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{578857}}^1$

素因数の和:578874

約数の個数: 48

約数和(自身を含む): 677263860

約数和(自身を除く): 468875340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 578857, 1157714, 1736571, 2315428, 2894285, 3473142, 4630856, 5209713, 5788570, 6946284, 8682855, 10419426, 11577140, 13892568, 17365710, 20838852, 23154280, 26048565, 34731420, 41677704, 52097130, 69462840, 104194260, 208388520]

約数ペア:

[(1, 208388520), (2, 104194260), (3, 69462840), (4, 52097130), (5, 41677704), (6, 34731420), (8, 26048565), (9, 23154280), (10, 20838852), (12, 17365710), (15, 13892568), (18, 11577140), (20, 10419426), (24, 8682855), (30, 6946284), (36, 5788570), (40, 5209713), (45, 4630856), (60, 3473142), (72, 2894285), (90, 2315428), (120, 1736571), (180, 1157714), (360, 578857)]