1388402460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{34589}}^1$

素因数の和:34827

約数の個数: 72

約数和(自身を含む): 4230495360

約数和(自身を除く): 2842092900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 13380, 20070, 34589, 40140, 69178, 103767, 138356, 172945, 207534, 311301, 345890, 415068, 518835, 622602, 691780, 1037670, 1245204, 1556505, 2075340, 3113010, 6226020, 7713347, 15426694, 23140041, 30853388, 38566735, 46280082, 69420123, 77133470, 92560164, 115700205, 138840246, 154266940, 231400410, 277680492, 347100615, 462800820, 694201230, 1388402460]

約数ペア:

[(1, 1388402460), (2, 694201230), (3, 462800820), (4, 347100615), (5, 277680492), (6, 231400410), (9, 154266940), (10, 138840246), (12, 115700205), (15, 92560164), (18, 77133470), (20, 69420123), (30, 46280082), (36, 38566735), (45, 30853388), (60, 23140041), (90, 15426694), (180, 7713347), (223, 6226020), (446, 3113010), (669, 2075340), (892, 1556505), (1115, 1245204), (1338, 1037670), (2007, 691780), (2230, 622602), (2676, 518835), (3345, 415068), (4014, 345890), (4460, 311301), (6690, 207534), (8028, 172945), (10035, 138356), (13380, 103767), (20070, 69178), (34589, 40140)]