1311702920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271013}}^1$

素因数の和:271046

約数の個数: 48

約数和(自身を含む): 3244037580

約数和(自身を除く): 1932334660

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 271013, 542026, 1084052, 1355065, 2168104, 2710130, 2981143, 5420260, 5962286, 10840520, 11924572, 14905715, 23849144, 29811430, 32792573, 59622860, 65585146, 119245720, 131170292, 163962865, 262340584, 327925730, 655851460, 1311702920]

約数ペア:

[(1, 1311702920), (2, 655851460), (4, 327925730), (5, 262340584), (8, 163962865), (10, 131170292), (11, 119245720), (20, 65585146), (22, 59622860), (40, 32792573), (44, 29811430), (55, 23849144), (88, 14905715), (110, 11924572), (121, 10840520), (220, 5962286), (242, 5420260), (440, 2981143), (484, 2710130), (605, 2168104), (968, 1355065), (1210, 1084052), (2420, 542026), (4840, 271013)]