212815295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 342835200

約数和(自身を除く): 130019905

約数列:

[1, 5, 7, 11, 19, 35, 47, 55, 77, 95, 133, 209, 235, 329, 385, 517, 619, 665, 893, 1045, 1463, 1645, 2585, 3095, 3619, 4333, 4465, 6251, 6809, 7315, 9823, 11761, 18095, 21665, 29093, 31255, 34045, 47663, 49115, 58805, 68761, 82327, 129371, 145465, 203651, 238315, 320023, 343805, 411635, 552767, 646855, 905597, 1018255, 1600115, 2240161, 2763835, 3869369, 4527985, 6080437, 11200805, 19346845, 30402185, 42563059, 212815295]

約数ペア:

[(1, 212815295), (5, 42563059), (7, 30402185), (11, 19346845), (19, 11200805), (35, 6080437), (47, 4527985), (55, 3869369), (77, 2763835), (95, 2240161), (133, 1600115), (209, 1018255), (235, 905597), (329, 646855), (385, 552767), (517, 411635), (619, 343805), (665, 320023), (893, 238315), (1045, 203651), (1463, 145465), (1645, 129371), (2585, 82327), (3095, 68761), (3619, 58805), (4333, 49115), (4465, 47663), (6251, 34045), (6809, 31255), (7315, 29093), (9823, 21665), (11761, 18095)]