289115840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69499}}^1$

素因数の和:69529

約数の個数: 56

約数和(自身を含む): 741426000

約数和(自身を除く): 452310160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 69499, 138998, 277996, 347495, 555992, 694990, 903487, 1111984, 1389980, 1806974, 2223968, 2779960, 3613948, 4447936, 4517435, 5559920, 7227896, 9034870, 11119840, 14455792, 18069740, 22239680, 28911584, 36139480, 57823168, 72278960, 144557920, 289115840]

約数ペア:

[(1, 289115840), (2, 144557920), (4, 72278960), (5, 57823168), (8, 36139480), (10, 28911584), (13, 22239680), (16, 18069740), (20, 14455792), (26, 11119840), (32, 9034870), (40, 7227896), (52, 5559920), (64, 4517435), (65, 4447936), (80, 3613948), (104, 2779960), (130, 2223968), (160, 1806974), (208, 1389980), (260, 1111984), (320, 903487), (416, 694990), (520, 555992), (832, 347495), (1040, 277996), (2080, 138998), (4160, 69499)]