87831430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 83629370

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 83, 89, 145, 166, 178, 205, 290, 410, 415, 445, 830, 890, 1189, 2378, 2407, 2581, 3403, 3649, 4814, 5162, 5945, 6806, 7298, 7387, 11890, 12035, 12905, 14774, 17015, 18245, 24070, 25810, 34030, 36490, 36935, 73870, 98687, 105821, 197374, 211642, 214223, 302867, 428446, 493435, 529105, 605734, 986870, 1058210, 1071115, 1514335, 2142230, 3028670, 8783143, 17566286, 43915715, 87831430]

約数ペア:

[(1, 87831430), (2, 43915715), (5, 17566286), (10, 8783143), (29, 3028670), (41, 2142230), (58, 1514335), (82, 1071115), (83, 1058210), (89, 986870), (145, 605734), (166, 529105), (178, 493435), (205, 428446), (290, 302867), (410, 214223), (415, 211642), (445, 197374), (830, 105821), (890, 98687), (1189, 73870), (2378, 36935), (2407, 36490), (2581, 34030), (3403, 25810), (3649, 24070), (4814, 18245), (5162, 17015), (5945, 14774), (6806, 12905), (7298, 12035), (7387, 11890)]