214707920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{821}}^1$

素因数の和:1308

約数の個数: 80

約数和(自身を含む): 572427648

約数和(自身を除く): 357719728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 467, 560, 821, 934, 1642, 1868, 2335, 3269, 3284, 3736, 4105, 4670, 5747, 6538, 6568, 7472, 8210, 9340, 11494, 13076, 13136, 16345, 16420, 18680, 22988, 26152, 28735, 32690, 32840, 37360, 45976, 52304, 57470, 65380, 65680, 91952, 114940, 130760, 229880, 261520, 383407, 459760, 766814, 1533628, 1917035, 2683849, 3067256, 3834070, 5367698, 6134512, 7668140, 10735396, 13419245, 15336280, 21470792, 26838490, 30672560, 42941584, 53676980, 107353960, 214707920]

約数ペア:

[(1, 214707920), (2, 107353960), (4, 53676980), (5, 42941584), (7, 30672560), (8, 26838490), (10, 21470792), (14, 15336280), (16, 13419245), (20, 10735396), (28, 7668140), (35, 6134512), (40, 5367698), (56, 3834070), (70, 3067256), (80, 2683849), (112, 1917035), (140, 1533628), (280, 766814), (467, 459760), (560, 383407), (821, 261520), (934, 229880), (1642, 130760), (1868, 114940), (2335, 91952), (3269, 65680), (3284, 65380), (3736, 57470), (4105, 52304), (4670, 45976), (5747, 37360), (6538, 32840), (6568, 32690), (7472, 28735), (8210, 26152), (9340, 22988), (11494, 18680), (13076, 16420), (13136, 16345)]