200418920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1997}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 488391120

約数和(自身を除く): 287972200

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, 1997, 2509, 3860, 3994, 5018, 7720, 7988, 9985, 10036, 12545, 15976, 19970, 20072, 25090, 25961, 39940, 50180, 51922, 79880, 100360, 103844, 129805, 207688, 259610, 385421, 519220, 770842, 1038440, 1541684, 1927105, 3083368, 3854210, 5010473, 7708420, 10020946, 15416840, 20041892, 25052365, 40083784, 50104730, 100209460, 200418920]

約数ペア:

[(1, 200418920), (2, 100209460), (4, 50104730), (5, 40083784), (8, 25052365), (10, 20041892), (13, 15416840), (20, 10020946), (26, 7708420), (40, 5010473), (52, 3854210), (65, 3083368), (104, 1927105), (130, 1541684), (193, 1038440), (260, 770842), (386, 519220), (520, 385421), (772, 259610), (965, 207688), (1544, 129805), (1930, 103844), (1997, 100360), (2509, 79880), (3860, 51922), (3994, 50180), (5018, 39940), (7720, 25961), (7988, 25090), (9985, 20072), (10036, 19970), (12545, 15976)]