207318920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 479390400

約数和(自身を除く): 272071480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 107, 118, 214, 236, 295, 428, 472, 535, 590, 821, 856, 1070, 1180, 1642, 2140, 2360, 3284, 4105, 4280, 6313, 6568, 8210, 12626, 16420, 25252, 31565, 32840, 48439, 50504, 63130, 87847, 96878, 126260, 175694, 193756, 242195, 252520, 351388, 387512, 439235, 484390, 702776, 878470, 968780, 1756940, 1937560, 3513880, 5182973, 10365946, 20731892, 25914865, 41463784, 51829730, 103659460, 207318920]

約数ペア:

[(1, 207318920), (2, 103659460), (4, 51829730), (5, 41463784), (8, 25914865), (10, 20731892), (20, 10365946), (40, 5182973), (59, 3513880), (107, 1937560), (118, 1756940), (214, 968780), (236, 878470), (295, 702776), (428, 484390), (472, 439235), (535, 387512), (590, 351388), (821, 252520), (856, 242195), (1070, 193756), (1180, 175694), (1642, 126260), (2140, 96878), (2360, 87847), (3284, 63130), (4105, 50504), (4280, 48439), (6313, 32840), (6568, 31565), (8210, 25252), (12626, 16420)]