1811134080260

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1619}}^1\times {\mathrm{140891}}^1$

素因数の和:142916

約数の個数: 48

約数和(自身を含む): 3815344088640

約数和(自身を除く): 2004210008380

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1619, 1985, 3238, 3970, 6476, 7940, 8095, 16190, 32380, 140891, 281782, 563564, 642743, 704455, 1285486, 1408910, 2570972, 2817820, 3213715, 6427430, 12854860, 55933727, 111867454, 223734908, 228102529, 279668635, 456205058, 559337270, 912410116, 1118674540, 1140512645, 2281025290, 4562050580, 90556704013, 181113408026, 362226816052, 452783520065, 905567040130, 1811134080260]

約数ペア:

[(1, 1811134080260), (2, 905567040130), (4, 452783520065), (5, 362226816052), (10, 181113408026), (20, 90556704013), (397, 4562050580), (794, 2281025290), (1588, 1140512645), (1619, 1118674540), (1985, 912410116), (3238, 559337270), (3970, 456205058), (6476, 279668635), (7940, 228102529), (8095, 223734908), (16190, 111867454), (32380, 55933727), (140891, 12854860), (281782, 6427430), (563564, 3213715), (642743, 2817820), (704455, 2570972), (1285486, 1408910)]