408766280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4073}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 995848560

約数和(自身を除く): 587082280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 772, 965, 1544, 1930, 2509, 3860, 4073, 5018, 7720, 8146, 10036, 12545, 16292, 20072, 20365, 25090, 32584, 40730, 50180, 52949, 81460, 100360, 105898, 162920, 211796, 264745, 423592, 529490, 786089, 1058980, 1572178, 2117960, 3144356, 3930445, 6288712, 7860890, 10219157, 15721780, 20438314, 31443560, 40876628, 51095785, 81753256, 102191570, 204383140, 408766280]

約数ペア:

[(1, 408766280), (2, 204383140), (4, 102191570), (5, 81753256), (8, 51095785), (10, 40876628), (13, 31443560), (20, 20438314), (26, 15721780), (40, 10219157), (52, 7860890), (65, 6288712), (104, 3930445), (130, 3144356), (193, 2117960), (260, 1572178), (386, 1058980), (520, 786089), (772, 529490), (965, 423592), (1544, 264745), (1930, 211796), (2509, 162920), (3860, 105898), (4073, 100360), (5018, 81460), (7720, 52949), (8146, 50180), (10036, 40730), (12545, 32584), (16292, 25090), (20072, 20365)]