42948920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 111257280

約数和(自身を除く): 68308360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 977, 1099, 1256, 1570, 1954, 2198, 3140, 3908, 4396, 4885, 5495, 6280, 6839, 7816, 8792, 9770, 10990, 13678, 19540, 21980, 27356, 34195, 39080, 43960, 54712, 68390, 136780, 153389, 273560, 306778, 613556, 766945, 1073723, 1227112, 1533890, 2147446, 3067780, 4294892, 5368615, 6135560, 8589784, 10737230, 21474460, 42948920]

約数ペア:

[(1, 42948920), (2, 21474460), (4, 10737230), (5, 8589784), (7, 6135560), (8, 5368615), (10, 4294892), (14, 3067780), (20, 2147446), (28, 1533890), (35, 1227112), (40, 1073723), (56, 766945), (70, 613556), (140, 306778), (157, 273560), (280, 153389), (314, 136780), (628, 68390), (785, 54712), (977, 43960), (1099, 39080), (1256, 34195), (1570, 27356), (1954, 21980), (2198, 19540), (3140, 13678), (3908, 10990), (4396, 9770), (4885, 8792), (5495, 7816), (6280, 6839)]