746995220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{32563}}^1$

素因数の和:32640

約数の個数: 48

約数和(自身を含む): 1663108608

約数和(自身を除く): 916113388

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 32563, 65126, 130252, 162815, 325630, 651260, 1009453, 1204831, 2018906, 2409662, 4037812, 4819324, 5047265, 6024155, 10094530, 12048310, 20189060, 24096620, 37349761, 74699522, 149399044, 186748805, 373497610, 746995220]

約数ペア:

[(1, 746995220), (2, 373497610), (4, 186748805), (5, 149399044), (10, 74699522), (20, 37349761), (31, 24096620), (37, 20189060), (62, 12048310), (74, 10094530), (124, 6024155), (148, 5047265), (155, 4819324), (185, 4037812), (310, 2409662), (370, 2018906), (620, 1204831), (740, 1009453), (1147, 651260), (2294, 325630), (4588, 162815), (5735, 130252), (11470, 65126), (22940, 32563)]