201917320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7523}}^1$

素因数の和:7606

約数の個数: 64

約数和(自身を含む): 503807040

約数和(自身を除く): 301889720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 7523, 13420, 15046, 26840, 30092, 37615, 60184, 75230, 82753, 150460, 165506, 300920, 331012, 413765, 458903, 662024, 827530, 917806, 1655060, 1835612, 2294515, 3310120, 3671224, 4589030, 5047933, 9178060, 10095866, 18356120, 20191732, 25239665, 40383464, 50479330, 100958660, 201917320]

約数ペア:

[(1, 201917320), (2, 100958660), (4, 50479330), (5, 40383464), (8, 25239665), (10, 20191732), (11, 18356120), (20, 10095866), (22, 9178060), (40, 5047933), (44, 4589030), (55, 3671224), (61, 3310120), (88, 2294515), (110, 1835612), (122, 1655060), (220, 917806), (244, 827530), (305, 662024), (440, 458903), (488, 413765), (610, 331012), (671, 300920), (1220, 165506), (1342, 150460), (2440, 82753), (2684, 75230), (3355, 60184), (5368, 37615), (6710, 30092), (7523, 26840), (13420, 15046)]