200709520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3739}}^1$

素因数の和:3824

約数の個数: 80

約数和(自身を含む): 517556160

約数和(自身を除く): 316846640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 3739, 4880, 5368, 6710, 7478, 10736, 13420, 14956, 18695, 26840, 29912, 37390, 41129, 53680, 59824, 74780, 82258, 149560, 164516, 205645, 228079, 299120, 329032, 411290, 456158, 658064, 822580, 912316, 1140395, 1645160, 1824632, 2280790, 2508869, 3290320, 3649264, 4561580, 5017738, 9123160, 10035476, 12544345, 18246320, 20070952, 25088690, 40141904, 50177380, 100354760, 200709520]

約数ペア:

[(1, 200709520), (2, 100354760), (4, 50177380), (5, 40141904), (8, 25088690), (10, 20070952), (11, 18246320), (16, 12544345), (20, 10035476), (22, 9123160), (40, 5017738), (44, 4561580), (55, 3649264), (61, 3290320), (80, 2508869), (88, 2280790), (110, 1824632), (122, 1645160), (176, 1140395), (220, 912316), (244, 822580), (305, 658064), (440, 456158), (488, 411290), (610, 329032), (671, 299120), (880, 228079), (976, 205645), (1220, 164516), (1342, 149560), (2440, 82258), (2684, 74780), (3355, 59824), (3739, 53680), (4880, 41129), (5368, 37390), (6710, 29912), (7478, 26840), (10736, 18695), (13420, 14956)]