181997270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28605

約数の個数: 48

約数和(自身を含む): 410408208

約数和(自身を除く): 228410938

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 28571, 57142, 142855, 199997, 285710, 371423, 399994, 742846, 999985, 1399979, 1857115, 1999970, 2599961, 2799958, 3714230, 5199922, 6999895, 12999805, 13999790, 18199727, 25999610, 36399454, 90998635, 181997270]

約数ペア:

[(1, 181997270), (2, 90998635), (5, 36399454), (7, 25999610), (10, 18199727), (13, 13999790), (14, 12999805), (26, 6999895), (35, 5199922), (49, 3714230), (65, 2799958), (70, 2599961), (91, 1999970), (98, 1857115), (130, 1399979), (182, 999985), (245, 742846), (455, 399994), (490, 371423), (637, 285710), (910, 199997), (1274, 142855), (3185, 57142), (6370, 28571)]