491385690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{606649}}^1$

素因数の和:606668

約数の個数: 40

約数和(自身を含む): 1321283700

約数和(自身を除く): 829898010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 606649, 1213298, 1819947, 3033245, 3639894, 5459841, 6066490, 9099735, 10919682, 16379523, 18199470, 27299205, 32759046, 49138569, 54598410, 81897615, 98277138, 163795230, 245692845, 491385690]

約数ペア:

[(1, 491385690), (2, 245692845), (3, 163795230), (5, 98277138), (6, 81897615), (9, 54598410), (10, 49138569), (15, 32759046), (18, 27299205), (27, 18199470), (30, 16379523), (45, 10919682), (54, 9099735), (81, 6066490), (90, 5459841), (135, 3639894), (162, 3033245), (270, 1819947), (405, 1213298), (810, 606649)]