214811480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{941}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 522244800

約数和(自身を除く): 307433320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 439, 520, 878, 941, 1756, 1882, 2195, 3512, 3764, 4390, 4705, 5707, 7528, 8780, 9410, 11414, 12233, 17560, 18820, 22828, 24466, 28535, 37640, 45656, 48932, 57070, 61165, 97864, 114140, 122330, 228280, 244660, 413099, 489320, 826198, 1652396, 2065495, 3304792, 4130990, 5370287, 8261980, 10740574, 16523960, 21481148, 26851435, 42962296, 53702870, 107405740, 214811480]

約数ペア:

[(1, 214811480), (2, 107405740), (4, 53702870), (5, 42962296), (8, 26851435), (10, 21481148), (13, 16523960), (20, 10740574), (26, 8261980), (40, 5370287), (52, 4130990), (65, 3304792), (104, 2065495), (130, 1652396), (260, 826198), (439, 489320), (520, 413099), (878, 244660), (941, 228280), (1756, 122330), (1882, 114140), (2195, 97864), (3512, 61165), (3764, 57070), (4390, 48932), (4705, 45656), (5707, 37640), (7528, 28535), (8780, 24466), (9410, 22828), (11414, 18820), (12233, 17560)]