1387664060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{15313}}^1$

素因数の和:15542

約数の個数: 48

約数和(自身を含む): 3056429376

約数和(自身を除く): 1668765316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 985, 1970, 3940, 4531, 9062, 15313, 18124, 22655, 30626, 45310, 61252, 76565, 90620, 153130, 306260, 352199, 704398, 1408796, 1760995, 3016661, 3521990, 6033322, 7043980, 12066644, 15083305, 30166610, 60333220, 69383203, 138766406, 277532812, 346916015, 693832030, 1387664060]

約数ペア:

[(1, 1387664060), (2, 693832030), (4, 346916015), (5, 277532812), (10, 138766406), (20, 69383203), (23, 60333220), (46, 30166610), (92, 15083305), (115, 12066644), (197, 7043980), (230, 6033322), (394, 3521990), (460, 3016661), (788, 1760995), (985, 1408796), (1970, 704398), (3940, 352199), (4531, 306260), (9062, 153130), (15313, 90620), (18124, 76565), (22655, 61252), (30626, 45310)]