1970125220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{27647}}^1$

素因数の和:28172

約数の個数: 48

約数和(自身を含む): 4737761280

約数和(自身を除く): 2767636060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 27647, 35630, 55294, 71260, 110588, 138235, 193529, 276470, 387058, 552940, 774116, 967645, 1935290, 3870580, 14072323, 28144646, 56289292, 70361615, 98506261, 140723230, 197012522, 281446460, 394025044, 492531305, 985062610, 1970125220]

約数ペア:

[(1, 1970125220), (2, 985062610), (4, 492531305), (5, 394025044), (7, 281446460), (10, 197012522), (14, 140723230), (20, 98506261), (28, 70361615), (35, 56289292), (70, 28144646), (140, 14072323), (509, 3870580), (1018, 1935290), (2036, 967645), (2545, 774116), (3563, 552940), (5090, 387058), (7126, 276470), (10180, 193529), (14252, 138235), (17815, 110588), (27647, 71260), (35630, 55294)]