2017649140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{408431}}^1$

素因数の和:408472

約数の個数: 48

約数和(自身を含む): 4803160320

約数和(自身を除く): 2785511180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 408431, 816862, 1633724, 2042155, 4084310, 5309603, 7760189, 8168620, 10619206, 15520378, 21238412, 26548015, 31040756, 38800945, 53096030, 77601890, 100882457, 106192060, 155203780, 201764914, 403529828, 504412285, 1008824570, 2017649140]

約数ペア:

[(1, 2017649140), (2, 1008824570), (4, 504412285), (5, 403529828), (10, 201764914), (13, 155203780), (19, 106192060), (20, 100882457), (26, 77601890), (38, 53096030), (52, 38800945), (65, 31040756), (76, 26548015), (95, 21238412), (130, 15520378), (190, 10619206), (247, 8168620), (260, 7760189), (380, 5309603), (494, 4084310), (988, 2042155), (1235, 1633724), (2470, 816862), (4940, 408431)]