388616994

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 968544000

約数和(自身を除く): 579927006

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 37, 38, 54, 57, 58, 74, 87, 111, 114, 171, 174, 222, 261, 333, 342, 353, 513, 522, 551, 666, 703, 706, 783, 999, 1026, 1059, 1073, 1102, 1406, 1566, 1653, 1998, 2109, 2118, 2146, 3177, 3219, 3306, 4218, 4959, 6327, 6354, 6438, 6707, 9531, 9657, 9918, 10237, 12654, 13061, 13414, 14877, 18981, 19062, 19314, 20121, 20387, 20474, 26122, 28971, 29754, 30711, 37962, 39183, 40242, 40774, 57942, 60363, 61161, 61422, 78366, 92133, 117549, 120726, 122322, 181089, 183483, 184266, 194503, 235098, 248159, 276399, 352647, 362178, 366966, 378769, 389006, 496318, 550449, 552798, 583509, 705294, 744477, 757538, 1100898, 1136307, 1167018, 1488954, 1750527, 2233431, 2272614, 3408921, 3501054, 4466862, 5251581, 6700293, 6817842, 7196611, 10226763, 10503162, 13400586, 14393222, 20453526, 21589833, 43179666, 64769499, 129538998, 194308497, 388616994]

約数ペア:

[(1, 388616994), (2, 194308497), (3, 129538998), (6, 64769499), (9, 43179666), (18, 21589833), (19, 20453526), (27, 14393222), (29, 13400586), (37, 10503162), (38, 10226763), (54, 7196611), (57, 6817842), (58, 6700293), (74, 5251581), (87, 4466862), (111, 3501054), (114, 3408921), (171, 2272614), (174, 2233431), (222, 1750527), (261, 1488954), (333, 1167018), (342, 1136307), (353, 1100898), (513, 757538), (522, 744477), (551, 705294), (666, 583509), (703, 552798), (706, 550449), (783, 496318), (999, 389006), (1026, 378769), (1059, 366966), (1073, 362178), (1102, 352647), (1406, 276399), (1566, 248159), (1653, 235098), (1998, 194503), (2109, 184266), (2118, 183483), (2146, 181089), (3177, 122322), (3219, 120726), (3306, 117549), (4218, 92133), (4959, 78366), (6327, 61422), (6354, 61161), (6438, 60363), (6707, 57942), (9531, 40774), (9657, 40242), (9918, 39183), (10237, 37962), (12654, 30711), (13061, 29754), (13414, 28971), (14877, 26122), (18981, 20474), (19062, 20387), (19314, 20121)]