689366926780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{19617727}}^1$

素因数の和:19617994

約数の個数: 48

約数和(自身を含む): 1661072265216

約数和(自身を除く): 971705338436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 17570, 35140, 19617727, 39235454, 78470908, 98088635, 137324089, 196177270, 274648178, 392354540, 549296356, 686620445, 1373240890, 2746481780, 4924049477, 9848098954, 19696197908, 24620247385, 34468346339, 49240494770, 68936692678, 98480989540, 137873385356, 172341731695, 344683463390, 689366926780]

約数ペア:

[(1, 689366926780), (2, 344683463390), (4, 172341731695), (5, 137873385356), (7, 98480989540), (10, 68936692678), (14, 49240494770), (20, 34468346339), (28, 24620247385), (35, 19696197908), (70, 9848098954), (140, 4924049477), (251, 2746481780), (502, 1373240890), (1004, 686620445), (1255, 549296356), (1757, 392354540), (2510, 274648178), (3514, 196177270), (5020, 137324089), (7028, 98088635), (8785, 78470908), (17570, 39235454), (35140, 19617727)]