1217025940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{17401}}^1$

素因数の和:17692

約数の個数: 48

約数和(自身を含む): 2762741520

約数和(自身を除く): 1545715580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 13988, 17401, 17485, 34802, 34970, 69604, 69940, 87005, 174010, 226213, 348020, 452426, 904852, 1131065, 2262130, 4524260, 4680869, 9361738, 18723476, 23404345, 46808690, 60851297, 93617380, 121702594, 243405188, 304256485, 608512970, 1217025940]

約数ペア:

[(1, 1217025940), (2, 608512970), (4, 304256485), (5, 243405188), (10, 121702594), (13, 93617380), (20, 60851297), (26, 46808690), (52, 23404345), (65, 18723476), (130, 9361738), (260, 4680869), (269, 4524260), (538, 2262130), (1076, 1131065), (1345, 904852), (2690, 452426), (3497, 348020), (5380, 226213), (6994, 174010), (13988, 87005), (17401, 69940), (17485, 69604), (34802, 34970)]