2256943920980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1163}}^1\times {\mathrm{1980227}}^1$

素因数の和:1981413

約数の個数: 72

約数和(自身を含む): 5518135028448

約数和(自身を除く): 3261191107468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1163, 2326, 4652, 5815, 8141, 11630, 16282, 23260, 32564, 40705, 56987, 81410, 113974, 162820, 227948, 284935, 569870, 1139740, 1980227, 3960454, 7920908, 9901135, 13861589, 19802270, 27723178, 39604540, 55446356, 69307945, 97031123, 138615890, 194062246, 277231780, 388124492, 485155615, 970311230, 1940622460, 2303004001, 4606008002, 9212016004, 11515020005, 16121028007, 23030040010, 32242056014, 46060080020, 64484112028, 80605140035, 112847196049, 161210280070, 225694392098, 322420560140, 451388784196, 564235980245, 1128471960490, 2256943920980]

約数ペア:

[(1, 2256943920980), (2, 1128471960490), (4, 564235980245), (5, 451388784196), (7, 322420560140), (10, 225694392098), (14, 161210280070), (20, 112847196049), (28, 80605140035), (35, 64484112028), (49, 46060080020), (70, 32242056014), (98, 23030040010), (140, 16121028007), (196, 11515020005), (245, 9212016004), (490, 4606008002), (980, 2303004001), (1163, 1940622460), (2326, 970311230), (4652, 485155615), (5815, 388124492), (8141, 277231780), (11630, 194062246), (16282, 138615890), (23260, 97031123), (32564, 69307945), (40705, 55446356), (56987, 39604540), (81410, 27723178), (113974, 19802270), (162820, 13861589), (227948, 9901135), (284935, 7920908), (569870, 3960454), (1139740, 1980227)]