221424670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{4643}}^1$

素因数の和:4920

約数の個数: 32

約数和(自身を含む): 421303680

約数和(自身を除く): 199879010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 2510, 4643, 4769, 9286, 9538, 23215, 23845, 46430, 47690, 88217, 176434, 441085, 882170, 1165393, 2330786, 5826965, 11653930, 22142467, 44284934, 110712335, 221424670]

約数ペア:

[(1, 221424670), (2, 110712335), (5, 44284934), (10, 22142467), (19, 11653930), (38, 5826965), (95, 2330786), (190, 1165393), (251, 882170), (502, 441085), (1255, 176434), (2510, 88217), (4643, 47690), (4769, 46430), (9286, 23845), (9538, 23215)]