138398508

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 389975040

約数和(自身を除く): 251576532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 61, 62, 76, 93, 107, 114, 122, 124, 171, 183, 186, 214, 228, 244, 279, 321, 342, 366, 372, 428, 549, 558, 589, 642, 684, 732, 963, 1098, 1116, 1159, 1178, 1284, 1767, 1891, 1926, 2033, 2196, 2318, 2356, 3317, 3477, 3534, 3782, 3852, 4066, 4636, 5301, 5673, 6099, 6527, 6634, 6954, 7068, 7564, 8132, 9951, 10431, 10602, 11346, 12198, 13054, 13268, 13908, 17019, 18297, 19581, 19902, 20862, 21204, 22692, 24396, 26108, 29853, 34038, 35929, 36594, 39162, 39804, 41724, 58743, 59706, 63023, 68076, 71858, 73188, 78324, 107787, 117486, 119412, 124013, 126046, 143716, 189069, 202337, 215574, 234972, 248026, 252092, 323361, 372039, 378138, 404674, 431148, 496052, 567207, 607011, 646722, 744078, 756276, 809348, 1116117, 1134414, 1214022, 1293444, 1488156, 1821033, 2232234, 2268828, 2428044, 3642066, 3844403, 4464468, 7284132, 7688806, 11533209, 15377612, 23066418, 34599627, 46132836, 69199254, 138398508]

約数ペア:

[(1, 138398508), (2, 69199254), (3, 46132836), (4, 34599627), (6, 23066418), (9, 15377612), (12, 11533209), (18, 7688806), (19, 7284132), (31, 4464468), (36, 3844403), (38, 3642066), (57, 2428044), (61, 2268828), (62, 2232234), (76, 1821033), (93, 1488156), (107, 1293444), (114, 1214022), (122, 1134414), (124, 1116117), (171, 809348), (183, 756276), (186, 744078), (214, 646722), (228, 607011), (244, 567207), (279, 496052), (321, 431148), (342, 404674), (366, 378138), (372, 372039), (428, 323361), (549, 252092), (558, 248026), (589, 234972), (642, 215574), (684, 202337), (732, 189069), (963, 143716), (1098, 126046), (1116, 124013), (1159, 119412), (1178, 117486), (1284, 107787), (1767, 78324), (1891, 73188), (1926, 71858), (2033, 68076), (2196, 63023), (2318, 59706), (2356, 58743), (3317, 41724), (3477, 39804), (3534, 39162), (3782, 36594), (3852, 35929), (4066, 34038), (4636, 29853), (5301, 26108), (5673, 24396), (6099, 22692), (6527, 21204), (6634, 20862), (6954, 19902), (7068, 19581), (7564, 18297), (8132, 17019), (9951, 13908), (10431, 13268), (10602, 13054), (11346, 12198)]