253711261430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{320387}}^1$

素因数の和:320741

約数の個数: 64

約数和(自身を含む): 521519897088

約数和(自身を除く): 267808635658

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 313, 506, 626, 1265, 1565, 2530, 3130, 3443, 6886, 7199, 14398, 17215, 34430, 35995, 71990, 79189, 158378, 320387, 395945, 640774, 791890, 1601935, 3203870, 3524257, 7048514, 7368901, 14737802, 17621285, 35242570, 36844505, 73689010, 81057911, 100281131, 162115822, 200562262, 405289555, 501405655, 810579110, 1002811310, 1103092441, 2206184882, 2306466013, 4612932026, 5515462205, 11030924410, 11532330065, 23064660130, 25371126143, 50742252286, 126855630715, 253711261430]

約数ペア:

[(1, 253711261430), (2, 126855630715), (5, 50742252286), (10, 25371126143), (11, 23064660130), (22, 11532330065), (23, 11030924410), (46, 5515462205), (55, 4612932026), (110, 2306466013), (115, 2206184882), (230, 1103092441), (253, 1002811310), (313, 810579110), (506, 501405655), (626, 405289555), (1265, 200562262), (1565, 162115822), (2530, 100281131), (3130, 81057911), (3443, 73689010), (6886, 36844505), (7199, 35242570), (14398, 17621285), (17215, 14737802), (34430, 7368901), (35995, 7048514), (71990, 3524257), (79189, 3203870), (158378, 1601935), (320387, 791890), (395945, 640774)]