30334220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{557}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 73120320

約数和(自身を除く): 42786100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 557, 778, 1114, 1556, 1945, 2228, 2723, 2785, 3890, 3899, 5446, 5570, 7780, 7798, 10892, 11140, 13615, 15596, 19495, 27230, 38990, 54460, 77980, 216673, 433346, 866692, 1083365, 1516711, 2166730, 3033422, 4333460, 6066844, 7583555, 15167110, 30334220]

約数ペア:

[(1, 30334220), (2, 15167110), (4, 7583555), (5, 6066844), (7, 4333460), (10, 3033422), (14, 2166730), (20, 1516711), (28, 1083365), (35, 866692), (70, 433346), (140, 216673), (389, 77980), (557, 54460), (778, 38990), (1114, 27230), (1556, 19495), (1945, 15596), (2228, 13615), (2723, 11140), (2785, 10892), (3890, 7798), (3899, 7780), (5446, 5570)]