172362820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20183}}^1$

素因数の和:20260

約数の個数: 48

約数和(自身を含む): 420473088

約数和(自身を除く): 248110268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 20183, 40366, 80732, 100915, 141281, 201830, 282562, 403660, 565124, 706405, 1231163, 1412810, 2462326, 2825620, 4924652, 6155815, 8618141, 12311630, 17236282, 24623260, 34472564, 43090705, 86181410, 172362820]

約数ペア:

[(1, 172362820), (2, 86181410), (4, 43090705), (5, 34472564), (7, 24623260), (10, 17236282), (14, 12311630), (20, 8618141), (28, 6155815), (35, 4924652), (61, 2825620), (70, 2462326), (122, 1412810), (140, 1231163), (244, 706405), (305, 565124), (427, 403660), (610, 282562), (854, 201830), (1220, 141281), (1708, 100915), (2135, 80732), (4270, 40366), (8540, 20183)]