213984980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{1657}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 491351616

約数和(自身を除く): 277366636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 587, 1174, 1657, 2348, 2935, 3314, 5870, 6457, 6628, 8285, 11740, 12914, 16570, 18227, 25828, 32285, 33140, 36454, 64570, 72908, 91135, 129140, 182270, 364540, 972659, 1945318, 3890636, 4863295, 9726590, 10699249, 19453180, 21398498, 42796996, 53496245, 106992490, 213984980]

約数ペア:

[(1, 213984980), (2, 106992490), (4, 53496245), (5, 42796996), (10, 21398498), (11, 19453180), (20, 10699249), (22, 9726590), (44, 4863295), (55, 3890636), (110, 1945318), (220, 972659), (587, 364540), (1174, 182270), (1657, 129140), (2348, 91135), (2935, 72908), (3314, 64570), (5870, 36454), (6457, 33140), (6628, 32285), (8285, 25828), (11740, 18227), (12914, 16570)]